Solve for z
z\geq -7
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z-1\geq \frac{40}{-5}
Divide both sides by -5. Since -5 is negative, the inequality direction is changed.
z-1\geq -8
Divide 40 by -5 to get -8.
z\geq -8+1
Add 1 to both sides.
z\geq -7
Add -8 and 1 to get -7.
Examples
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Matrix
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Limits
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