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x in (-oo:+oo)
(1/2)*(2*x+11) = (2/3)*(x+1)+x/2 // - (2/3)*(x+1)+x/2
(1/2)*(2*x+11)-((2/3)*(x+1))-(x/2) = 0
(1/2)*(2*x+11)+(-2/3)*(x+1)-(x/2) = 0
1/2*(2*x+11)-2/3*(x+1)-x/2 = 0
(1/2*2*(2*x+11))/2+(-2/3*2*(x+1))/2-x/2 = 0
1/2*2*(2*x+11)-2/3*2*(x+1)-x = 0
2/3*x-x+29/3 = 0
29/3-1/3*x = 0
(29/3-1/3*x)/2 = 0
(29/3-1/3*x)/2 = 0 // * 2
29/3-1/3*x = 0
29/3-1/3*x = 0 // - 29/3
-1/3*x = -29/3 // : -1/3
x = -29/3/(-1/3)
x = 29
x = 29
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