2z/7-4=1

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Solution for 2z/7-4=1 equation: 


z in (-oo:+oo)

(2*z)/7-4 = 1 // - 1

(2*z)/7-4-1 = 0

2/7*z-5 = 0 // + 5

2/7*z = 5 // : 2/7

z = 5/2/7

z = 35/2

z = 35/2

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