2/5-1/2x=9

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Solution for 2/5-1/2x=9 equation: 


x in (-oo:+oo)

2/5-((1/2)*x) = 9 // - 9

2/5-((1/2)*x)-9 = 0

(-1/2)*x+2/5-9 = 0

-1/2*x-43/5 = 0 // + 43/5

-1/2*x = 43/5 // : -1/2

x = 43/5/(-1/2)

x = -86/5

x = -86/5

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