b) \( 3 x-7 \leq-10 \)

To solve the inequality \( 3x - 7 \leq -10 \), start by isolating \( x \). First, add 7 to both sides, yielding \( 3x \leq -3 \). Then, divide by 3 to find \( x \leq -1 \). So the solution set includes all numbers less than or equal to -1. Now, in terms of a real-world application, consider budgeting your expenses! If you have $7 left after spending on essentials, and you want to keep your spending under a limit (say you don’t want to go below -$10), this inequality can help you figure out how much you can still spend without busting your budget.