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23 October, 06:47

5*-2=9*+10 solve and check

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Answers (2)
  1. 23 October, 06:53
    0
    5x - 2 = 9x + 10

    move x to one side so

    5x - 9x = 10 + 2

    -4x = 12

    x = - 3

    check:

    5x - 2 = 5 (-3) - 2 = - 15 - 2 = - 17

    9x + 10 = 9 (-3) + 10 = - 27 + 10 = - 17
  2. 23 October, 10:25
    0
    5x-9x = 10+2

    -4x=12

    x = - 12/4

    x=-3

    check:

    5.-3-2=9.-3+10

    -17 = - 17
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