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x in (-oo:+oo)
(2/7)*x-(4/3) = (3*x+3)/2 // - (3*x+3)/2
(2/7)*x-((3*x+3)/2)-(4/3) = 0
(2/7)*x-((3*x+3)/2)-4/3 = 0
(-1*(3*x+3))/2+(2*x)/7-4/3 = 0
(-1*3*7*(3*x+3))/(2*3*7)+(2*2*3*x)/(2*3*7)+(-4*2*7)/(2*3*7) = 0
2*2*3*x-1*3*7*(3*x+3)-4*2*7 = 0
-51*x-63-56 = 0
-51*x-119 = 0
(-51*x-119)/(2*3*7) = 0
(-51*x-119)/(2*3*7) = 0 // * 2*3*7
-51*x-119 = 0
-51*x-119 = 0 // + 119
-51*x = 119 // : -51
x = 119/(-51)
x = -7/3
x = -7/3
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