Question

What is y equal to when x = 8
y=-3x - 1

Answer 1

Answer:y= -25

Explanation: you put 8 into the equation so it would look like y=-3(8)-1 then you solve it

Answer 2

Answer:

y = -25

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 = -3x - 1

x = 8

Step 2: Evaluate

1. Substitute in x:                               y = -3(8) - 1
2. Multiply:                                          y = -24 - 1
3. Subtract:                                         y = -25