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10 October, 10:40

Solve - x + 4 = 3x + 4. Check your solution.

A. x = 2

B. x = 4

C. x = 12

D. x = 0

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Answers (1)
  1. 10 October, 12:59
    0
    -x + 4 = 3x + 4

    move the x over

    4 = 4x + 4

    subtract 4

    0 = 4x

    x = 0

    Check:

    -0 + 4 = 3 (0) + 4

    4 = 4
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