-2/7z=4/21

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


z in (-oo:+oo)

(-2/7)*z = 4/21 // - 4/21

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

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

-2/7*z-4/21 = 0 // + 4/21

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

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

z = -2/3

z = -2/3

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