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(2/5)*(3*x+5)-((1/5)*x) = (4/5)*x+1 // - (4/5)*x+1
(2/5)*(3*x+5)-((1/5)*x)-((4/5)*x)-1 = 0
(2/5)*(3*x+5)+(-1/5)*x+(-4/5)*x-1 = 0
2/5*(3*x+5)-x/5+(-4*x)/5-1 = 0
(2/5*5*(3*x+5))/5-x/5+(-4*x)/5+(-1*5)/5 = 0
2/5*5*(3*x+5)-x-4*x-1*5 = 0
5*x-4*x-5+10 = 0
x-5+10 = 0
x+5 = 0
(x+5)/5 = 0
(x+5)/5 = 0 // * 5
x+5 = 0
x+5 = 0 // - 5
x = -5
x = -5
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