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posted by Skye on Monday, June 2, 2014 at 6:51pm.

solve for c A= -3(a + b - 1/3c)

Assuming you mean A= -3(a + b - (1/3)c) when parentheses are used correctly. Divide both sides by -3, and swap sides a+b-(1/3)c = -A/3 -(1/3)c = -A/3-a-b Divide both sides by -(1/3) c = A+3a+3b

thank u

You're welcome!

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