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x in (-oo:+oo)
(4*x-7)/8+x = (4*x+7)/4+1 // - (4*x+7)/4+1
(4*x-7)/8-((4*x+7)/4)+x-1 = 0
(4*x-7)/8+(-1*(4*x+7))/4+x-1 = 0
(4*(4*x-7))/(4*8)+(-1*8*(4*x+7))/(4*8)+(4*8*x)/(4*8)+(-1*4*8)/(4*8) = 0
4*(4*x-7)-1*8*(4*x+7)+4*8*x-1*4*8 = 0
32*x-16*x-84-32 = 0
16*x-84-32 = 0
16*x-116 = 0
(16*x-116)/(4*8) = 0
(16*x-116)/(4*8) = 0 // * 4*8
16*x-116 = 0
16*x-116 = 0 // + 116
16*x = 116 // : 16
x = 116/16
x = 29/4
x = 29/4
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