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10 March, 04:59

7a-3y = (9-3y) how do you do this problem and what formula to use

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  1. 10 March, 05:15
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    There is no formula. Just basic Algebra.

    Let's solve for y.

    7a - 3y = 9 - 3y Step 1: Add 3y to both sides.

    7a - 3y + 3y = - 3y + 9 + 3y 7a = 9

    Step 2: Add - 7a to both sides.

    7a + - 7a = 9 + - 7a 0 = - 7a + 9

    Step 3: Divide both sides by 0.

    00 = - 7a + 9 0 y = - 7a + 9 0

    Answer:

    y = - 7a + 9 0
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