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1.08 = (x-150)/18 // - (x-150)/18
1.08-((x-150)/18) = 0
(-1*(x-150))/18+1.08 = 0
(-1*(x-150))/18+(1.08*18)/18 = 0
1.08*18-1*(x-150) = 0
169.44-x = 0
(169.44-x)/18 = 0
(169.44-x)/18 = 0 // * 18
169.44-x = 0
169.44-x = 0 // - 169.44
-x = -169.44 // * -1
x = 169.44
x = 169.44
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