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x in (-oo:+oo)
(1/4)*(2*x+5)-x = (1/2)*(5*x-2) // - (1/2)*(5*x-2)
(1/4)*(2*x+5)-((1/2)*(5*x-2))-x = 0
(1/4)*(2*x+5)+(-1/2)*(5*x-2)-x = 0
1/4*(2*x+5)-1/2*(5*x-2)-x = 0
1/4*(2*x+5)-1/2*(5*x-2)-x = 0
9/4-2*x-x = 0
9/4-3*x = 0
9/4-3*x = 0
9/4-3*x = 0 // - 9/4
-3*x = -9/4 // : -3
x = -9/4/(-3)
x = 3/4
x = 3/4
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