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x in (-oo:+oo)
(2*x)/3 = (4*x+2)/2+7/5 // - (4*x+2)/2+7/5
(2*x)/3-((4*x+2)/2)-(7/5) = 0
(2*x)/3-((4*x+2)/2)-7/5 = 0
(-1*(4*x+2))/2+(2*x)/3-7/5 = 0
(-1*3*5*(4*x+2))/(2*3*5)+(2*2*5*x)/(2*3*5)+(-7*2*3)/(2*3*5) = 0
2*2*5*x-1*3*5*(4*x+2)-7*2*3 = 0
-40*x-42-30 = 0
-40*x-72 = 0
(-40*x-72)/(2*3*5) = 0
(-40*x-72)/(2*3*5) = 0 // * 2*3*5
-40*x-72 = 0
-40*x-72 = 0 // + 72
-40*x = 72 // : -40
x = 72/(-40)
x = -9/5
x = -9/5
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