Question

What is y = -2x +4, x =3.5​

Answer 1

Answer:

(3.5, -3)

or

y = -3

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

Step-by-step explanation:

Step 1: Define

y = -2x + 4

x = 3.5

Step 2: Evaluate

1. Substitute in x:                    y = -2(3.5) + 4
2. Multiply:                               y = -7 + 4
3. Add:                                     y = -3