Question

What is 5x + 12 = 144

Answer 1

x=26.4

Explanation:

5x+12=144

-12 -12

5x=132

/5 /5

x=26.4

Answer 2

x = 132/5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

1. Brackets
2. Parenthesis
3. Exponents
4. Multiplication
5. Division
6. Addition
7. Subtraction

• Left to Right

Algebra I

Terms/Coefficients

Equality Properties

1. Multiplication Property of Equality
2. Division Property of Equality
3. Addition Property of Equality
4. Subtraction Property of Equality

Explanation:

Step 1: Define

Identify.

5x + 12 = 144

Step 2: Solve for x

1. [Subtraction Property of Equality] Subtract 12 on both sides: 5x = 132
2. [Division Property of Equality] Divide 5 on both sides: x = 132/5