7z-5/10=15/5

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Solution for 7z-5/10=15/5 equation: 


z in (-oo:+oo)

7*z-(5/10) = 15/5 // - 15/5

7*z-(5/10)-(15/5) = 0

7*z-1/2-3 = 0

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

7*z = 7/2 // : 7

z = 7/2/7

z = 1/2

z = 1/2

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