-5/7z=10/21

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Solution for -5/7z=10/21 equation: 


z in (-oo:+oo)

(-5/7)*z = 10/21 // - 10/21

(-5/7)*z-(10/21) = 0

(-5/7)*z-10/21 = 0

-5/7*z-10/21 = 0 // + 10/21

-5/7*z = 10/21 // : -5/7

z = 10/21/(-5/7)

z = -2/3

z = -2/3

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