8z-40/20-4z

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Solution for 8z-40/20-4z equation: 


z in (-oo:+oo)

8*z-(4*z)-(40/20) = 0

8*z-4*z-2 = 0

4*z-2 = 0 // + 2

4*z = 2 // : 4

z = 2/4

z = 1/2

z = 1/2

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