Question

If 2x=46, find the value of 7-6x

Answer 1

-131

Explanation:

By dividing by 2, we find that x = 23

Plugging this into the equation we can find

7-6x=7-6(23)=-131

Answer 2

-131

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

2x = 46

Step 2: Solve for x

1. Divide 2 on both sides: x = 23

Step 3: Define

7 - 6x

Step 4: Evaluate

1. Substitute: 7 - 6(23)
2. Multiply: 7 - 138
3. Subtract: -131