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7 August, 13:58

Solve 1.2 (5-x) = 2 (1.4x+3)

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  1. 7 August, 17:44
    0
    x = 0

    Step-by-step explanation:

    Solve for x:

    1.2 (5 - x) = 2 (1.4 x + 3)

    Expand out terms of the left hand side:

    6 - 1.2 x = 2 (1.4 x + 3)

    Expand out terms of the right hand side:

    6 - 1.2 x = 2.8 x + 6

    Subtract 2.8 x from both sides:

    6 + (-1.2 x - 2.8 x) = (2.8 x - 2.8 x) + 6

    -1.2 x - 2.8 x = - 4 x:

    -4 x + 6 = (2.8 x - 2.8 x) + 6

    2.8 x - 2.8 x = 0:

    6 - 4 x = 6

    Subtract 6 from both sides:

    (6 - 6) - 4 x = 6 - 6

    6 - 6 = 0:

    -4 x = 6 - 6

    6 - 6 = 0:

    -4 x = 0

    Divide both sides of - 4 x = 0 by - 4:

    (-4 x) / (-4) = 0 / (-4)

    (-4) / (-4) = 1:

    x = 0 / (-4)

    0 / (-4) = 0:

    Answer: x = 0
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