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(1/2)*(3*x-16) = (4/5)*(x-3) // - (4/5)*(x-3)
(1/2)*(3*x-16)-((4/5)*(x-3)) = 0
(1/2)*(3*x-16)+(-4/5)*(x-3) = 0
1/2*(3*x-16)-4/5*(x-3) = 0
1/2*(3*x-16)-4/5*(x-3) = 0
7/10*x-28/5 = 0
7/10*x-28/5 = 0
7/10*x-28/5 = 0 // + 28/5
7/10*x = 28/5 // : 7/10
x = 28/5/7/10
x = 8
x = 8
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