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(1/4)*(7*x-4)-((3/5)*(3*x-2)) = (3/10)*(4*x-3) // - (3/10)*(4*x-3)
(1/4)*(7*x-4)-((3/5)*(3*x-2))-((3/10)*(4*x-3)) = 0
(1/4)*(7*x-4)+(-3/5)*(3*x-2)+(-3/10)*(4*x-3) = 0
1/4*(7*x-4)-3/5*(3*x-2)-3/10*(4*x-3) = 0
1/4*(7*x-4)-3/5*(3*x-2)-3/10*(4*x-3) = 0
1/5-1/20*x-6/5*x+9/10 = 0
11/10-5/4*x = 0
11/10-5/4*x = 0
11/10-5/4*x = 0 // - 11/10
-5/4*x = -11/10 // : -5/4
x = -11/10/(-5/4)
x = 22/25
x = 22/25
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