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(2-3*x)/4 = -4 // + 4
(2-3*x)/4+4 = 0
(2-3*x)/4+(4^2)/4 = 0
2-3*x+16 = 0
18-3*x = 0
(18-3*x)/4 = 0
(18-3*x)/4 = 0 // * 4
18-3*x = 0
18-3*x = 0 // - 18
-3*x = -18 // : -3
x = -18/(-3)
x = 6
x = 6
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