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113/10 = 6*x-7*x+3/10 // - 6*x-7*x+3/10
113/10-(-7*x)-(6*x)-(3/10) = 0
7*x-6*x+113/10-3/10 = 0
x+11 = 0 // - 11
x = -11
x = -11
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