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(3/4)*(x+2) = (1/5)*(x-3)+6 // - (1/5)*(x-3)+6
(3/4)*(x+2)-((1/5)*(x-3))-6 = 0
(3/4)*(x+2)+(-1/5)*(x-3)-6 = 0
3/4*(x+2)-1/5*(x-3)-6 = 0
3/4*(x+2)-1/5*(x-3)-6 = 0
11/20*x-6+21/10 = 0
11/20*x-39/10 = 0
11/20*x-39/10 = 0
11/20*x-39/10 = 0 // + 39/10
11/20*x = 39/10 // : 11/20
x = 39/10/11/20
x = 78/11
x = 78/11
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