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NatalieLove

  • one year ago

12(x-5)-7=18x-103

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  1. Jack1
    • one year ago
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    solve for x, yeah?

  2. NatalieLove
    • one year ago
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    I tried everything. I distribute and all but after i get this 12x60-7=18x-103

  3. NatalieLove
    • one year ago
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    i Meant 12x-60-7=18x-103

  4. Jack1
    • one year ago
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    12x - 60 - 7 = 18x - 103

  5. Jack1
    • one year ago
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    -6x - 67 = -103

  6. NatalieLove
    • one year ago
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    wait

  7. Jack1
    • one year ago
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    -6x = -36 6x = 30 x = 36/6 = 6

  8. NatalieLove
    • one year ago
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    you are moving to which side left or right

  9. Jack1
    • one year ago
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    i moved all of my x's to the left

  10. NatalieLove
    • one year ago
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    and you change the signs

  11. Jack1
    • one year ago
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    and all of my intergers to the right

  12. Jack1
    • one year ago
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    change sign by multiply both sides by -1

  13. Jack1
    • one year ago
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    so you started right, first multiply out the brachets so all thats left is pluses and minuses

  14. Jack1
    • one year ago
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    then move all of the x values to one side

  15. Jack1
    • one year ago
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    then move all of the whole numbers to the other side

  16. Jack1
    • one year ago
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    then divide both sides by whatever's in front of the x

  17. NatalieLove
    • one year ago
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    12(x-5)-7=18x-103 12x-60-7=18x-103 12x-67=18x-103 6x-67=-103 +67 +67 6x=36 36/6 =6 x=6

  18. Jack1
    • one year ago
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    in your working yo didnt show that you've x both sides by -1 after you added the 67 to each side, so i know u know what your doing, but its always good to write down that step and show working in an exam situation and otherwise just so it's easier to follow and check errors, but other than that the above is perfect

  19. NatalieLove
    • one year ago
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    i know but I can write it here.

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