2z-18/-22 - solution

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Solution for 2z-18/-22 equation:

z in (-oo:+oo)

2*z-(18/(-2)) < 2 // - 2

2*z-(18/(-2))-2 < 0

2*z-2+9 < 0

2*z+7 < 0 // - 7

2*z < -7 // : 2

z < -7/2

z in (-oo:-7/2)

(-oo:-7/2)

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