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(13*x)/3-2/3 = (-1/3)*(5*x-4) // - (-1/3)*(5*x-4)
(13*x)/3-((-1/3)*(5*x-4))-2/3 = 0
(1/3)*(5*x-4)+(13*x)/3-2/3 = 0
1/3*(5*x-4)+(13*x)/3-2/3 = 0
(1/3*3*(5*x-4))/3+(13*x)/3-2/3 = 0
1/3*3*(5*x-4)+13*x-2 = 0
18*x-4-2 = 0
18*x-6 = 0
(18*x-6)/3 = 0
(18*x-6)/3 = 0 // * 3
18*x-6 = 0
18*x-6 = 0 // + 6
18*x = 6 // : 18
x = 6/18
x = 1/3
x = 1/3
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