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29 September, 18:04

Who knows how to solve 9 = - 2 + 2x + 1?

And also x-4 = - 9 + x

+4
Answers (1)
  1. 29 September, 19:43
    0
    9 = - 2 + 2x + 1

    Add 2 by both sides.

    11 = 2x + 1

    Subtract 1 from both sides.

    10 = 2x

    Divide by 2 on both sides.

    5 = x

    x - 4 = - 9 + x

    Add 4 to both sides.

    x = - 5 + x

    Subtract x from both sides.

    0 = - 5

    There are no solutions.
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