3=-7z-8/2 - solution

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Solution for 3=-7z-8/2 equation:

z in (-oo:+oo)

3 = -7*z-(8/2) // + -7*z-(8/2)

8/2-(-7*z)+3 = 0

7*z+8/2+3 = 0

7*z+7 = 0 // - 7

7*z = -7 // : 7

z = -7/7

z = -1

z = -1

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