1/7x-1/8x=3

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Solution for 1/7x-1/8x=3 equation: 


x in (-oo:+oo)

(1/7)*x-((1/8)*x) = 3 // - 3

(1/7)*x-((1/8)*x)-3 = 0

(1/7)*x+(-1/8)*x-3 = 0

1/56*x-3 = 0 // + 3

1/56*x = 3 // : 1/56

x = 3/1/56

x = 168

x = 168

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