Solve for d
d\leq 1
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93-d\geq 92
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
-d\geq 92-93
Subtract 93 from both sides.
-d\geq -1
Subtract 93 from 92 to get -1.
d\leq \frac{-1}{-1}
Divide both sides by -1. Since -1 is negative, the inequality direction is changed.
d\leq 1
Divide -1 by -1 to get 1.
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