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(1/4)*(4*x-8) = 2*(x+3) // - 2*(x+3)
(1/4)*(4*x-8)-(2*(x+3)) = 0
(1/4)*(4*x-8)-2*(x+3) = 0
1/4*(4*x-8)-2*(x+3) = 0
1/4*(4*x-8)-2*(x+3) = 0
-x-8 = 0
-x-8 = 0
-x-8 = 0 // + 8
-x = 8 // * -1
x = -8
x = -8
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