Answer:
x > -3
General Formulas and Concepts:
Pre-Algebra
- Order of Operations: BPEMDAS
- Equality Properties
Step-by-step explanation:
Step 1: Define equality
-7x < 21
Step 2: Solve for x
- Divide both sides by -7: x > -3
Here we see that any value greater than -3 would work as a solution of x.
