-21z=7/9

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Solution for -21z=7/9 equation: 


z in (-oo:+oo)

-21*z = 7/9 // - 7/9

-21*z-(7/9) = 0

-21*z-7/9 = 0

-21*z-7/9 = 0 // + 7/9

-21*z = 7/9 // : -21

z = 7/9/(-21)

z = -1/27

z = -1/27

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