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x in (-oo:+oo)
8*x-((1/2)*(x+2+90)) = 0
(-1/2)*(x+2+90)+8*x = 0
8*x-1/2*(x+92) = 0
8*x-1/2*(x+92) = 0
15/2*x-46 = 0
15/2*x-46 = 0
15/2*x-46 = 0 // + 46
15/2*x = 46 // : 15/2
x = 46/15/2
x = 92/15
x = 92/15
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