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11 September, 23:55

What is the solution of the equation 9 = - 2x + 15?

-21

-12

3

12

+3
Answers (2)
  1. 11 September, 23:59
    0
    The answer is 3

    shift 15 to LHS

    9-15=-2x

    -6=-2x

    -6/-2=x

    3=x
  2. 12 September, 00:05
    0
    9=-2x+15

    9-15=-2x+15-15

    -6=-2x

    -6/-2=-2x/-2

    3=x
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