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anonymous

  • one year ago

will give medals but pleaseeee help. Solve for x: 4 − (x + 2) < −3(x + 4) x < −7 x > −7 x < −9 x > −9

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  1. anonymous
    • one year ago
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    the first one

  2. calculusxy
    • one year ago
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    This is basically solving for x in a regular equation. So what you would just do is instead of having the less than symbol, you would place the equal sign.

  3. anonymous
    • one year ago
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    @calculusxy wait ill do the work and show you where i am stuck at

  4. calculusxy
    • one year ago
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    Okay

  5. anonymous
    • one year ago
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    \[ 4-(x+2)<-3x-6\]

  6. anonymous
    • one year ago
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    @calculusxy ^^^^

  7. anonymous
    • one year ago
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    i don't know how to do with the other side do i take away the brackets and flip the sign of 4 to + and add the like terms ?

  8. anonymous
    • one year ago
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    after the negative sign there is a 1 so multiply negative one by x and 2

  9. anonymous
    • one year ago
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    so it would be -1x -2 ? @joquez14

  10. calculusxy
    • one year ago
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    Just like what @joquez14 said. what we can think is that before the parentheses, there is a -1 (negative because of the minus sign). \[4-1(x+2) <-3x + 12\] that means that you would have to do \[-1 \times x = -x\]and \[-1 \times 2 = -2\]

  11. calculusxy
    • one year ago
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    Now we can simplify it even further wit those two terms. \[-4 -x-2<-3x-12\]

  12. calculusxy
    • one year ago
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    Sorry i meant -12 not +12

  13. anonymous
    • one year ago
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    okay so we add together -4 and -2 @calculusxy

  14. calculusxy
    • one year ago
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    yes to simplify that side

  15. calculusxy
    • one year ago
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    combine the like terms to make solving this easier

  16. anonymous
    • one year ago
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    okay so we add the x's

  17. calculusxy
    • one year ago
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    so this is where you need to really cancel out an x from a side.

  18. anonymous
    • one year ago
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    so it would be 6<-2x

  19. calculusxy
    • one year ago
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    \[-4-x-2=-3x - 12\] \[-6 - x=-3x - 12\] \[-6 =-2x - 12\]

  20. calculusxy
    • one year ago
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    yes you're correct

  21. anonymous
    • one year ago
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    but then the answer would 4 and none of my answer choices are 4 ? did i do an error ?

  22. anonymous
    • one year ago
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    ****-3 i mean

  23. calculusxy
    • one year ago
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    what are your answer choices then?

  24. anonymous
    • one year ago
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    they are at the top

  25. calculusxy
    • one year ago
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    oh sorry :\

  26. anonymous
    • one year ago
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    its not supposed to ve - 2x i thought i think its supposed to be - 4x

  27. calculusxy
    • one year ago
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    @joquez14 if we did -3 + 1 it would equal to -2

  28. anonymous
    • one year ago
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    yup thats what I'm getting -2

  29. anonymous
    • one year ago
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    why you add one x was negative so u souldnt have added an positive 1

  30. anonymous
    • one year ago
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    -1x+-3x ? @joquez14

  31. anonymous
    • one year ago
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    ohhh -4

  32. anonymous
    • one year ago
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    my point exactly

  33. anonymous
    • one year ago
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    but how

  34. anonymous
    • one year ago
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    aren't you suppose to do the inverse

  35. anonymous
    • one year ago
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    im not to sure since were combining like terms

  36. anonymous
    • one year ago
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    I wish I could give you all medals. You all have the right idea, it just looks like you got mixed up with the combining 4 − (x + 2) < −3(x + 4) Start by distributing 4 - x - 2 < -3x - 12 Combine like terms on the left 2 - x < -3x - 12 Add 3x to both sides 2 + 2x < -12 Subtract 2 from both sides 2x < -14 Divide both sides by 2 x < -7

  37. anonymous
    • one year ago
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    oh yeah ur right

  38. anonymous
    • one year ago
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    thank you so much guys literally all of you have been such a tremendous helppppppppp @joquez14 @calculusxy and thanks for clearing it up @peachpi

  39. anonymous
    • one year ago
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    np

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