Answer:
a = 37/6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Equality Properties
Explanation:
Step 1: Define equation
-12(a - 2) = -50
Step 2: Solve for a
- Divide -12 on both sides: a - 2 = 25/6
- Add 2 on both sides: a = 37/6
Step 3: Check
Plug in a into the original equation to verify it's a solution.
- Substitute in a: -12(37/6 - 2) = -50
- Subtract: -12(25/6) = -50
- Multiply: -50 = -50
Here we see that -50 does indeed equal -50.
∴ a = 37/6 is a solution of the equation.