1/7x-2/7x=84

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Solution for 1/7x-2/7x=84 equation: 


x in (-oo:+oo)

(1/7)*x-((2/7)*x) = 84 // - 84

(1/7)*x-((2/7)*x)-84 = 0

(1/7)*x+(-2/7)*x-84 = 0

-1/7*x-84 = 0 // + 84

-1/7*x = 84 // : -1/7

x = 84/(-1/7)

x = -588

x = -588

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