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(1/5)*(2*x+3)-((1/2)*(x-4)) = (3/4)*(3*x-4) // - (3/4)*(3*x-4)
(1/5)*(2*x+3)-((1/2)*(x-4))-((3/4)*(3*x-4)) = 0
(1/5)*(2*x+3)+(-1/2)*(x-4)+(-3/4)*(3*x-4) = 0
1/5*(2*x+3)-1/2*(x-4)-3/4*(3*x-4) = 0
1/5*(2*x+3)-1/2*(x-4)-3/4*(3*x-4) = 0
13/5-1/10*x-9/4*x+3 = 0
28/5-47/20*x = 0
28/5-47/20*x = 0
28/5-47/20*x = 0 // - 28/5
-47/20*x = -28/5 // : -47/20
x = -28/5/(-47/20)
x = 112/47
x = 112/47
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