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(4*x)/8 = -2*x-4 // + -2*x-4
(4*x)/8-(-2*x)+4 = 0
(4*x)/8+2*x+4 = 0
5/2*x+4 = 0 // - 4
5/2*x = -4 // : 5/2
x = -4/5/2
x = -8/5
x = -8/5
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