Answer:
x = 6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
- Parenthesis 
- Exponents 
- Multiplication 
- Division 
- Addition 
- Subtraction 
Equality Properties
Explanation:
Step 1: Define
-19.2 = -3.6x + 2.4
Step 2: Solve for x
- Subtract 2.4 on both sides: -21.6 = -3.6x
- Divide -3.6 on both sides: 6 = x
- Rewrite: x = 6