2z/7-1=7

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


z in (-oo:+oo)

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

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

2/7*z-8 = 0 // + 8

2/7*z = 8 // : 2/7

z = 8/2/7

z = 28

z = 28

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