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(2*(x+2))/4 = 5*x-4 // - 5*x-4
(2*(x+2))/4-(5*x)+4 = 0
(2*(x+2))/4-5*x+4 = 0
(2*(x+2))/4+(-5*4*x)/4+(4^2)/4 = 0
2*(x+2)-5*4*x+16 = 0
4-18*x+16 = 0
20-18*x = 0
(20-18*x)/4 = 0
(20-18*x)/4 = 0 // * 4
20-18*x = 0
20-18*x = 0 // - 20
-18*x = -20 // : -18
x = -20/(-18)
x = 10/9
x = 10/9
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