4z/7-9=4

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Solution for 4z/7-9=4 equation: 


z in (-oo:+oo)

(4*z)/7-9 = 4 // - 4

(4*z)/7-9-4 = 0

4/7*z-13 = 0 // + 13

4/7*z = 13 // : 4/7

z = 13/4/7

z = 91/4

z = 91/4

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