Question

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

Answer 1

Answer:

Step-by-step explanation:

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

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

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

10x=27

x=27/10

Answer 2

Answer:

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

Step-by-step 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