1/2z-1/5=7/10

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Solution for 1/2z-1/5=7/10 equation: 


z in (-oo:+oo)

(1/2)*z-(1/5) = 7/10 // - 7/10

(1/2)*z-(1/5)-(7/10) = 0

(1/2)*z-1/5-7/10 = 0

1/2*z-9/10 = 0 // + 9/10

1/2*z = 9/10 // : 1/2

z = 9/10/1/2

z = 9/5

z = 9/5

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