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23 April, 11:12

9.

(9x + 42) - 5x = - 70

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Answers (2)
  1. 23 April, 11:40
    0
    x = - 28

    Step-by-step explanation:

    (9x+42) - 5x = - 70

    add 5x to both sides

    9x + 42 = - 70 + 5x

    subtract 42 from each side

    9x = - 112 + 5x

    subtract 5x from each side

    4x = - 112

    Divide each side by 4

    x = - 28
  2. 23 April, 11:42
    0
    X = - 28

    (9x+42) - 5x=-70

    9x+-5x+-5x=-70

    (9x+-5x) + (42) = -70

    4x+42=-70

    4x+42=-70

    4x+42-42=-70-42

    4x=-112

    4x/4=-112/4

    x=-28
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