4z/10-2=9

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Solution for 4z/10-2=9 equation: 


z in (-oo:+oo)

(4*z)/10-2 = 9 // - 9

(4*z)/10-9-2 = 0

2/5*z-11 = 0 // + 11

2/5*z = 11 // : 2/5

z = 11/2/5

z = 55/2

z = 55/2

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