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5-((5/2)*x) = -((7/5)*x)-(2/5) // + -((7/5)*x)-(2/5)
(7/5)*x-((5/2)*x)+2/5+5 = 0
(-5/2)*x+(7/5)*x+2/5+5 = 0
27/5-11/10*x = 0 // - 27/5
-11/10*x = -27/5 // : -11/10
x = -27/5/(-11/10)
x = 54/11
x = 54/11
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