z/7-2=1

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Solution for z/7-2=1 equation: 


z in (-oo:+oo)

z/7-2 = 1 // - 1

z/7-2-1 = 0

1/7*z-3 = 0 // + 3

1/7*z = 3 // : 1/7

z = 3/1/7

z = 21

z = 21

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