3z/7-7=9 - solution

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

z in (-oo:+oo)

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

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

3/7*z-16 = 0 // + 16

3/7*z = 16 // : 3/7

z = 16/3/7

z = 112/3

z = 112/3

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