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anonymous

  • one year ago

Medal Math help Solve for x: −3|x + 7| = −12 x = 5/3, x = −19/3 x = −3, x = −11 x = −3, x = 11 No solution

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  1. LynFran
    • one year ago
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    first step divide both sides by -3...what do u get?

  2. anonymous
    • one year ago
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    so divide -3 to -3

  3. LynFran
    • one year ago
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    yes both sides of the equation

  4. anonymous
    • one year ago
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    1

  5. domebotnos
    • one year ago
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    Did you deduct 7 from both sides? Remember PEMDAS. First in the parentheses.

  6. LynFran
    • one year ago
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    yes the -3 will cancel out on the left side of the equation...now what do u have remaining

  7. anonymous
    • one year ago
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    sorry not understanding.

  8. domebotnos
    • one year ago
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    You must do what's in the parentheses first. P () E x^2 M • D / A+ S -

  9. domebotnos
    • one year ago
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    Go by that list.

  10. domebotnos
    • one year ago
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    So you must deduct 7 from 7 and 13

  11. domebotnos
    • one year ago
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    -12, my bad

  12. anonymous
    • one year ago
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    x + 7

  13. LynFran
    • one year ago
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    -3|x+7|=-12 |x+7|=-12/-3 |x+7|=4 (x+7)=4 and (x+7)=-4

  14. LynFran
    • one year ago
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    solve for x

  15. anonymous
    • one year ago
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    when i was watching a video on this its says grab the -3 and put it under the 7 so is that right

  16. anonymous
    • one year ago
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    |dw:1441381048403:dw|

  17. LynFran
    • one year ago
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    x+7=4 x=4-7 x=-3 x+7=-4 x=-4-7 x=-11

  18. anonymous
    • one year ago
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    so -3 + 7=4

  19. LynFran
    • one year ago
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    yes

  20. anonymous
    • one year ago
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    so all i had to do was use |dw:1441381229494:dw| the hole time

  21. anonymous
    • one year ago
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    because i have to do more of these and im trying to get the hang of it

  22. LynFran
    • one year ago
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    its like saying 7-3=4

  23. LynFran
    • one year ago
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    for absolute values we get 1 positive and 1 negative solution

  24. anonymous
    • one year ago
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    im doing one and im following the steps but still not understanding

  25. LynFran
    • one year ago
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    here the work in 1 post -3|x+7|=-12 divide both sides by -3 we get |x+7|=-12/-3 |x+7|=4 (x+7)=4 and (x+7)=-4 x+7=4 x+7=-4 x=4-7 x=-4-7 x=-3 x=-11

  26. LynFran
    • one year ago
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    u can post it up ..let me help u

  27. anonymous
    • one year ago
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    ok

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