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5-((1/2)*(4*x-2)) = 8*x // - 8*x
5-((1/2)*(4*x-2))-(8*x) = 0
(-1/2)*(4*x-2)-8*x+5 = 0
5-1/2*(4*x-2)-8*x = 0
5-1/2*(4*x-2)-8*x = 0
1-10*x+5 = 0
6-10*x = 0
6-10*x = 0
6-10*x = 0 // - 6
-10*x = -6 // : -10
x = -6/(-10)
x = 3/5
x = 3/5
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