z/7=9

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Solution for z/7=9 equation: 


z in (-oo:+oo)

z/7 = 9 // - 9

z/7-9 = 0

1/7*z-9 = 0 // + 9

1/7*z = 9 // : 1/7

z = 9/1/7

z = 63

z = 63

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