Question

(04.07B)

Solve 8 = 2х+4. (1 point)
a
x = -4
Oь
x = -1
х = 0
ос
Od
х = 7

Answer 1

x = 2

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

Equality Properties

• Multiplication Property of Equality
• Division Property of Equality
• Addition Property of Equality
• Subtraction Property of Equality

Explanation:

Step 1: Define

8 = 2x + 4

Step 2: Solve for x

1. [Subtraction Property of Equality] Subtract 4 on both sides: 4 = 2x
2. [Division Property of Equality] Divide 2 on both sides: 2 = x
3. Rewrite: x = 2