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(-2/7)*(3*x-2) = (1/5)*(-5*x-4) // - (1/5)*(-5*x-4)
(-2/7)*(3*x-2)-((1/5)*(-5*x-4)) = 0
(-2/7)*(3*x-2)+(-1/5)*(-5*x-4) = 0
-2/7*(3*x-2)-1/5*(-5*x-4) = 0
-2/7*(3*x-2)-1/5*(-5*x-4) = 0
1/7*x+48/35 = 0
1/7*x+48/35 = 0
1/7*x+48/35 = 0 // - 48/35
1/7*x = -48/35 // : 1/7
x = -48/35/1/7
x = -48/5
x = -48/5
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