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OpenStudy (anonymous):
Solve: 7(x − 1) = 5(x + 2) + 1 A=9 B=18 C=2 D=4
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OpenStudy (aroub):
9
OpenStudy (anonymous):
7x - 7 = 5x + 10 + 1 7x - 7 = 5x + 11 2x = 18 x = 9 A, x = 9
OpenStudy (lalaly):
7x-7=5x+10+1 7x-5x=10+7+1 2x=18 x=9
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