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(2*(x+4))/4 = 3*x-3 // - 3*x-3
(2*(x+4))/4-(3*x)+3 = 0
(2*(x+4))/4-3*x+3 = 0
(2*(x+4))/4+(-3*4*x)/4+(3*4)/4 = 0
2*(x+4)-3*4*x+3*4 = 0
8-10*x+12 = 0
20-10*x = 0
(20-10*x)/4 = 0
(20-10*x)/4 = 0 // * 4
20-10*x = 0
20-10*x = 0 // - 20
-10*x = -20 // : -10
x = -20/(-10)
x = 2
x = 2
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