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x in (-oo:+oo)
(2*x-3)/2-((7*(2*x+5))/1) = 4 // - 4
(2*x-3)/2-((7*(2*x+5))/1)-4 = 0
(2*x-3)/2-7*(2*x+5)-4 = 0
(2*x-3)/2+(-7*2*(2*x+5))/2+(-4*2)/2 = 0
2*x-7*2*(2*x+5)-4*2-3 = 0
-26*x-73-8 = 0
-26*x-81 = 0
(-26*x-81)/2 = 0
(-26*x-81)/2 = 0 // * 2
-26*x-81 = 0
-26*x-81 = 0 // + 81
-26*x = 81 // : -26
x = 81/(-26)
x = -81/26
x = -81/26
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