2z/-9=-4 - solution

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Solution for 2z/-9=-4 equation:

z in (-oo:+oo)

(2*z)/(-9) = -4 // + 4

(2*z)/(-9)+4 = 0

4-2/9*z = 0 // - 4

-2/9*z = -4 // : -2/9

z = -4/(-2/9)

z = 18

z = 18

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