Question

3 - 7x plus 2x when x =3

Answer 1

if x is 3 then

3-7(3)+2(3)

-18+6

-12 done

Answer 2

-12

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

Explanation:

Step 1: Define

3 - 7x + 2x

x = 3

Step 2: Evaluate

1. Substitute in x: 3 - 7(3) + 2(3)
2. Multiply: 3 - 21 + 6
3. Subtract: -18 + 6
4. Add: -12