Answer:
w = -4
General Formulas and Concepts:
Pre-Algebra
- Order of Operations: BPEMDAS
Algebra I
Explanation:
Step 1: Define equation
-5 - 3w = 7
Step 2: Solve for w
- Add 5 to both sides: -3w = 12
- Divide -3 on both sides: w = -4
Step 3: Check
Plug in w to verify it's a solution.
- Substitute: -5 - 3(-4) = 7
- Multiply: -5 + 12 = 7
- Add: 7 = 7
And we have our final answer!