z/7-8=4

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Solution for z/7-8=4 equation: 


z in (-oo:+oo)

z/7-8 = 4 // - 4

z/7-8-4 = 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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