-2/7x=-4/21

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Solution for -2/7x=-4/21 equation: 


x in (-oo:+oo)

(-2/7)*x = -4/21 // + -4/21

(-2/7)*x-(-4/21) = 0

(-2/7)*x+4/21 = 0

4/21-2/7*x = 0 // - 4/21

-2/7*x = -4/21 // : -2/7

x = -4/21/(-2/7)

x = 2/3

x = 2/3

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