Answer:
-5
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
- Multiplication Property of Equality
- Division Property of Equality
- Addition Property of Equality
- Subtraction Property of Equality
Explanation:
Step 1: Define
-4w - 3 = 9
3w + 4
Step 2: Solve for w
- [Addition Property of Equality] Add 3 on both sides: -4w = 12
- [Division Property of Equality] Divide -4 on both sides: w = -3
Step 3: Evaluate
- Substitute in w: 3(-3) + 4
- Multiply: -9 + 4
- Add: -5