2z/7-1=8

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Solution for 2z/7-1=8 equation: 


z in (-oo:+oo)

(2*z)/7-1 = 8 // - 8

(2*z)/7-8-1 = 0

2/7*z-9 = 0 // + 9

2/7*z = 9 // : 2/7

z = 9/2/7

z = 63/2

z = 63/2

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