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