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Solve 9x + 7 = 7x - 5

User Nogridbag
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1 Answer

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9x + 7 = 7x - 5
9x - 9x + 7 = 7x -9x - 5
7 = -2x - 5
7 + 5 = -2x - 5 + 5
12 = -2x
12/-2 = -2x/-2
-6 = x
User Learnvst
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