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

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


x in (-oo:+oo)

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

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

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

1/21*x-1/7 = 0 // + 1/7

1/21*x = 1/7 // : 1/21

x = 1/7/1/21

x = 3

x = 3

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