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Q&A #9409

Teachers' Lounge Discussion: Solving algebraic equations

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From: jackie

To: Teacher2Teacher Public Discussion
Date: 2002120115:34:50
Subject: thank you for your question

4x - 9 = 7x + 12 and this one: 8m + 13 = 13 + 8m I can solve both question for you a) 4x - 9 = 7x + 12 4x - 7x = 9 + 12 - 3x = 21 -x = 21/3 -x = 7 x =-7 therefor the answer is x=-7 b) 8m + 13 = 13 + 8m 8m - 8m = 13 - 13 0 = 0 therefore the answer is 0 = 0

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