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(-3/4)*x+10 = 6*x+13/4 // - 6*x+13/4
(-3/4)*x-(6*x)-(13/4)+10 = 0
(-3/4)*x-6*x-13/4+10 = 0
27/4-27/4*x = 0 // - 27/4
-27/4*x = -27/4 // : -27/4
x = -27/4/(-27/4)
x = 1
x = 1
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