Isolate variable term: Isolate the variable term in −10+−9k≤−1. Add 10 to both sides of the inequality to move the constant term to the right side. −10+10−9k≤−1+10−9k≤9
Add 10 to both sides: Now, solve for k.Since we have −9k≤9, we need to divide both sides by −9 to isolate k. Remember that when dividing or multiplying both sides of an inequality by a negative number, the direction of the inequality changes.−9k/−9≥9/−9k≥−1
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