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2.33 = (x-78)/3 // - (x-78)/3
2.33-((x-78)/3) = 0
(-1*(x-78))/3+2.33 = 0
(-1*(x-78))/3+(2.33*3)/3 = 0
2.33*3-1*(x-78) = 0
84.99-x = 0
(84.99-x)/3 = 0
(84.99-x)/3 = 0 // * 3
84.99-x = 0
84.99-x = 0 // - 84.99
-x = -84.99 // * -1
x = 84.99
x = 84.99
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