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27 July, 15:06

Solve for x: 3 (x + 1) = - 2 (x - 1) + 6.

1

4

5

25

+4
Answers (1)
  1. 27 July, 15:24
    0
    Simple ...

    you have:

    3 (x+1) = - 2 (x-1) + 6

    To even begin ... substitute and get rid of the parentheses ...

    3x+3 = - 2x+2+6

    3x+3 = - 2x+8

    Now you can isolate the variable ...

    3x+3=-2x+8

    +2x + 2x

    5x+3=8

    5x+3=8

    -3 - 3

    5x=5

    x=1

    Check your answer ...

    3 (1+1) = - 2 (1-1) + 6

    3 (2) = - 2 (0) + 6

    6=0+6

    6=6

    You know your correct ...

    Thus, your answer.
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