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x in (-oo:+oo)
(4*x)/6-((2-(3*x))/8) = 7*x+8/12 // - 7*x+8/12
(4*x)/6-((2-(3*x))/8)-(7*x)-(8/12) = 0
(4*x)/6-((2-3*x)/8)-7*x-2/3 = 0
(-1*(2-3*x))/8+(2*x)/3-7*x-2/3 = 0
(-1*3*(2-3*x))/(3*8)+(2*8*x)/(3*8)+(-7*3*8*x)/(3*8)+(-2*8)/(3*8) = 0
2*8*x-1*3*(2-3*x)-7*3*8*x-2*8 = 0
25*x-168*x-16-6 = 0
-143*x-16-6 = 0
-143*x-22 = 0
(-143*x-22)/(3*8) = 0
(-143*x-22)/(3*8) = 0 // * 3*8
-143*x-22 = 0
-143*x-22 = 0 // + 22
-143*x = 22 // : -143
x = 22/(-143)
x = -2/13
x = -2/13
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