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15-09-2014
Mathematics

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Please show all work for this
7x + 3 =9x - 7

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15-09-2014

7x + 3 = 9x - 7

Subtract 7x from each side: + 3 = 2x - 7

Add 7 to each side: 10 = 2x

Divide each side by 2 : 5 = x

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