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(1/2)*x+(3/4)*x-7 = (5/6)*(x-2) // - (5/6)*(x-2)
(1/2)*x-((5/6)*(x-2))+(3/4)*x-7 = 0
(-5/6)*(x-2)+(1/2)*x+(3/4)*x-7 = 0
x/2-5/6*(x-2)+(3*x)/4-7 = 0
(-5/6*2*4*(x-2))/(2*4)+(4*x)/(2*4)+(2*3*x)/(2*4)+(-7*2*4)/(2*4) = 0
4*x-5/6*2*4*(x-2)+2*3*x-7*2*4 = 0
6*x-8/3*x-56+40/3 = 0
10/3*x-56+40/3 = 0
10/3*x-128/3 = 0
(10/3*x-128/3)/(2*4) = 0
(10/3*x-128/3)/(2*4) = 0 // * 2*4
10/3*x-128/3 = 0
10/3*x-128/3 = 0 // + 128/3
10/3*x = 128/3 // : 10/3
x = 128/3/10/3
x = 64/5
x = 64/5
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