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CharlieWoods ∙
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9x is the lowest common multiple. (9x * 1 = 9x) (x * 9 = 9x)
(9x)2 +9x/(45x)2 +81= 9+9x/86
9x - 8 = 46 9x = 46 +8 9x= 54 9x/9 = 54/9 x= 6
-9x-25=3 -9x=28 9x=-28 x=-28/9
9x+18 = 180 9x = 180-18 9x = 162 x = 18