4/9z=20

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Solution for 4/9z=20 equation: 


z in (-oo:+oo)

(4/9)*z = 20 // - 20

(4/9)*z-20 = 0

4/9*z-20 = 0 // + 20

4/9*z = 20 // : 4/9

z = 20/4/9

z = 45

z = 45

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