z/9-3=7

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Solution for z/9-3=7 equation: 


z in (-oo:+oo)

z/9-3 = 7 // - 7

z/9-7-3 = 0

1/9*z-10 = 0 // + 10

1/9*z = 10 // : 1/9

z = 10/1/9

z = 90

z = 90

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