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(6/5)*(x+3) = 66 // - 66
(6/5)*(x+3)-66 = 0
6/5*(x+3)-66 = 0
6/5*(x+3)-66 = 0
6/5*x-312/5 = 0
6/5*x-312/5 = 0
6/5*x-312/5 = 0 // + 312/5
6/5*x = 312/5 // : 6/5
x = 312/5/6/5
x = 52
x = 52
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