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2*x-(3*x) = 5/7 // - 5/7
2*x-(3*x)-(5/7) = 0
2*x-3*x-5/7 = 0
-x-5/7 = 0 // + 5/7
-x = 5/7 // * -1
x = -5/7
x = -5/7
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