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4 June, 22:22

Solve for

a. 7a-2b = 5a b

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Answers (1)
  1. 5 June, 00:59
    0
    7a-2b=5ab

    7a=5ab+2b

    7a-5ab=2b

    a (7-5b) = 2b

    a=2b / (7-5b)
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