Question

What is the value of x?
- (12 – 8x) = 5x +15 – 7x
Enter your answer in the box.
X=

Answer 1

Explanation:

-(12-8x)=5x+15-7x

-12+8x=5x+15-7x

8x+7x-5x=15+12

10x=27

x=27/10

Answer 2

x = 27/10

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

Explanation:

Step 1: Define

-(12 - 8x) = 5x + 15 - 7x

Step 2: Solve for x

1. Distribute negative: -12 + 8x = 5x + 15 - 7x
2. Combine like terms: -12 + 8x = -2x + 15
3. Add 2x on both sides: -12 + 10x = 15
4. Isolate x term: 10x = 27
5. Isolate x: x = 27/10