2/7x-4=9/7x

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Solution for 2/7x-4=9/7x equation: 


x in (-oo:+oo)

(2/7)*x-4 = (9/7)*x // - (9/7)*x

(2/7)*x-((9/7)*x)-4 = 0

(2/7)*x+(-9/7)*x-4 = 0

-x-4 = 0 // + 4

-x = 4 // * -1

x = -4

x = -4

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