3z/7-9=-5

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Solution for 3z/7-9=-5 equation: 


z in (-oo:+oo)

(3*z)/7-9 = -5 // + 5

(3*z)/7-9+5 = 0

3/7*z-4 = 0 // + 4

3/7*z = 4 // : 3/7

z = 4/3/7

z = 28/3

z = 28/3

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