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