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(2*(x+3))/5 = 4*x-4 // - 4*x-4
(2*(x+3))/5-(4*x)+4 = 0
(2*(x+3))/5-4*x+4 = 0
(2*(x+3))/5+(-4*5*x)/5+(4*5)/5 = 0
2*(x+3)-4*5*x+4*5 = 0
6-18*x+20 = 0
26-18*x = 0
(26-18*x)/5 = 0
(26-18*x)/5 = 0 // * 5
26-18*x = 0
26-18*x = 0 // - 26
-18*x = -26 // : -18
x = -26/(-18)
x = 13/9
x = 13/9
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