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(2*x-7)/4+x = (2*x+7)/2+7 // - (2*x+7)/2+7
(2*x-7)/4-((2*x+7)/2)+x-7 = 0
(2*x-7)/4+(-1*(2*x+7))/2+x-7 = 0
(2*(2*x-7))/(2*4)+(-1*4*(2*x+7))/(2*4)+(2*4*x)/(2*4)+(-7*2*4)/(2*4) = 0
2*(2*x-7)-1*4*(2*x+7)+2*4*x-7*2*4 = 0
8*x-4*x-56-42 = 0
4*x-56-42 = 0
4*x-98 = 0
(4*x-98)/(2*4) = 0
(4*x-98)/(2*4) = 0 // * 2*4
4*x-98 = 0
4*x-98 = 0 // + 98
4*x = 98 // : 4
x = 98/4
x = 49/2
x = 49/2
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