z/7-9=3

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Solution for z/7-9=3 equation:


z in (-oo:+oo)

z/7-9 = 3 // - 3

z/7-9-3 = 0

1/7*z-12 = 0 // + 12

1/7*z = 12 // : 1/7

z = 12/1/7

z = 84

z = 84

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