4z/10-1=2

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Solution for 4z/10-1=2 equation: 


z in (-oo:+oo)

(4*z)/10-1 = 2 // - 2

(4*z)/10-2-1 = 0

2/5*z-3 = 0 // + 3

2/5*z = 3 // : 2/5

z = 3/2/5

z = 15/2

z = 15/2

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