5/7x-2/3x=3/21x

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Solution for 5/7x-2/3x=3/21x equation: 


x in (-oo:+oo)

(5/7)*x-((2/3)*x) = (3/21)*x // - (3/21)*x

(5/7)*x-((2/3)*x)-((3/21)*x) = 0

(5/7)*x+(-2/3)*x+(-1/7)*x = 0

-2/21*x = 0 // : -2/21

x = 0

x = 0

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