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23 July, 00:52

1/4 (20-4a) = 6-a

solve for a

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  1. 23 July, 00:57
    0
    1/4 (20-4a) = 6-a (distribute 1/4)

    5-a=6-a (subtract 5 to both sides)

    -a=1-a (add "a" to both sides)

    0=1

    When this happens where the equation is not true, it means that a=no solution because there would be no "a" value that you could plug in to make the equation true.
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