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6*x+10 = (-4/7)*x+47/7 // - (-4/7)*x+47/7
6*x-((-4/7)*x)-(47/7)+10 = 0
6*x+(4/7)*x-47/7+10 = 0
46/7*x+23/7 = 0 // - 23/7
46/7*x = -23/7 // : 46/7
x = -23/7/46/7
x = -1/2
x = -1/2
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