3z/10-1=7

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Solution for 3z/10-1=7 equation: 


z in (-oo:+oo)

(3*z)/10-1 = 7 // - 7

(3*z)/10-7-1 = 0

3/10*z-8 = 0 // + 8

3/10*z = 8 // : 3/10

z = 8/3/10

z = 80/3

z = 80/3

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