SOLUTION: 12/a=4/a-4

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Question 697095: 12/a=4/a-4
Answer by algebrahouse.com(1659) About Me  (Show Source):
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12/a = 4/(a - 4)
12(a - 4) = 4a {cross-multiplied}
12a - 48 = 4a {used distributive property}
-48 = -8a {subtracted 12a from each side}
a = 6 {divided each side by -8}

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