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29 August, 22:03

1/3 (6x-15) = 1/2 (10x-4) solve for x

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  1. 29 August, 22:08
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    Simplify 1/3 (6x - 15) to 6x - 15/3

    6x - 15/3 = 1/2 (10x - 4)

    Factor out the common term; 3

    3 (2x - 5) / 3 = 1/2 (10x - 4)

    Cancel out 3

    2x - 5 = 1/2 (10x - 4)

    Simplify 1/2 (10x - 4) to 10x - 4/2

    2x - 5 = 10x - 4/2

    Factor out the common term; 2

    2x - 5 = 2 (5x - 2) / 2

    Cancel out 2

    2x - 5 = 5x - 2

    Subtract 2x from both sides

    -5 = 5x - 2 - 2x

    Simplify 5x - 2 - 2x to 3x - 2

    -5 = 3x - 2

    Add 2 to both sides

    -5 + 2 = 3x

    Simplify - 5 + 2 to - 3

    -3 = 3x

    Divide both sides by 3

    - 1 = x

    Switch sides

    x = - 1
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