Solve for z
z\geq 200
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771-z\leq 571
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
-z\leq 571-771
Subtract 771 from both sides.
-z\leq -200
Subtract 771 from 571 to get -200.
z\geq \frac{-200}{-1}
Divide both sides by -1. Since -1 is negative, the inequality direction is changed.
z\geq 200
Fraction \frac{-200}{-1} can be simplified to 200 by removing the negative sign from both the numerator and the denominator.
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