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2/5-2*x = (4/5)*x+116/45 // - (4/5)*x+116/45
2/5-2*x-((4/5)*x)-(116/45) = 0
(-4/5)*x-2*x+2/5-116/45 = 0
-14/5*x-98/45 = 0 // + 98/45
-14/5*x = 98/45 // : -14/5
x = 98/45/(-14/5)
x = -7/9
x = -7/9
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