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3*x-((1/5)*(x+2)) = (1/3)*x // - (1/3)*x
3*x-((1/5)*(x+2))-((1/3)*x) = 0
(-1/5)*(x+2)+3*x+(-1/3)*x = 0
3*x-1/5*(x+2)-x/3 = 0
(-1/5*3*(x+2))/3+(3*3*x)/3-x/3 = 0
3*3*x-1/5*3*(x+2)-x = 0
42/5*x-x-6/5 = 0
37/5*x-6/5 = 0
(37/5*x-6/5)/3 = 0
(37/5*x-6/5)/3 = 0 // * 3
37/5*x-6/5 = 0
37/5*x-6/5 = 0 // + 6/5
37/5*x = 6/5 // : 37/5
x = 6/5/37/5
x = 6/37
x = 6/37
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