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(3*(x+3))/4 = 4*x-5 // - 4*x-5
(3*(x+3))/4-(4*x)+5 = 0
(3*(x+3))/4-4*x+5 = 0
(3*(x+3))/4+(-4*4*x)/4+(4*5)/4 = 0
3*(x+3)-4*4*x+4*5 = 0
9-13*x+20 = 0
29-13*x = 0
(29-13*x)/4 = 0
(29-13*x)/4 = 0 // * 4
29-13*x = 0
29-13*x = 0 // - 29
-13*x = -29 // : -13
x = -29/(-13)
x = 29/13
x = 29/13
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