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(2*x-7)/5 = (x+2)/3 // - (x+2)/3
(2*x-7)/5-((x+2)/3) = 0
(2*x-7)/5+(-1*(x+2))/3 = 0
(3*(2*x-7))/(3*5)+(-1*5*(x+2))/(3*5) = 0
3*(2*x-7)-1*5*(x+2) = 0
x-31 = 0
(x-31)/(3*5) = 0
(x-31)/(3*5) = 0 // * 3*5
x-31 = 0
x-31 = 0 // + 31
x = 31
x = 31
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