Answer:
n = 6
General Formulas and Concepts:
Pre-Alg
- Order of Operations: BPEMDAS
- Equality Properties
Step-by-step explanation:
Step 1: Define equation
-15 + n = -9
Step 2: Solve for n
- Add 15 to both sides: n = 6
Step 3: Check
Plug in n to verify it's a solution.
- Substitute: -15 + 6 = -9
- Add: -9 = -9
