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15 December, 13:49

Absolute value of 2x plus 12 equals 4x

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  1. 15 December, 14:02
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    2x+12=4x

    Make two equations, and solve for x.

    1. 2x+12 = 4x 2. 2x+12 = - 4x subtract 2x from both sides

    12=2x 12 = - 6x

    6=x - 2=x

    plug in the x values to know if they are the solution for the eqaution.

    2 (6) + 12 = 4 (6) 2 (-2) + 12 = - 4 (-2)

    12+12 = 24 - 4+12=8

    24=24 8=8

    The equation is true, it's all real numbers or infinite solutions.
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