1/5x-1/8x=9

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Solution for 1/5x-1/8x=9 equation: 


x in (-oo:+oo)

(1/5)*x-((1/8)*x) = 9 // - 9

(1/5)*x-((1/8)*x)-9 = 0

(1/5)*x+(-1/8)*x-9 = 0

3/40*x-9 = 0 // + 9

3/40*x = 9 // : 3/40

x = 9/3/40

x = 120

x = 120

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