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(1/2)*(x-3)+3/4 = 3*x-(3/4) // - 3*x-(3/4)
(1/2)*(x-3)-(3*x)+3/4+3/4 = 0
(1/2)*(x-3)-3*x+3/4+3/4 = 0
1/2*(x-3)-3*x+3/4+3/4 = 0
(1/2*4*(x-3))/4+(-3*4*x)/4+3/4+3/4 = 0
1/2*4*(x-3)-3*4*x+3+3 = 0
3-10*x-6+3 = 0
3-10*x-3 = 0
-10*x = 0
(-10*x)/4 = 0
(-10*x)/4 = 0 // * 4
-10*x = 0
-10*x = 0 // : -10
x = 0
x = 0
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