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Marianna [84]
2 years ago
7

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

Mathematics
2 answers:
lesya [120]2 years ago
7 0
Answer:y= -25

Explanation: you put 8 into the equation so it would look like y=-3(8)-1 then you solve it
Veronika [31]2 years ago
7 0

Answer:

y = -25

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

y = -3x - 1

x = 8

<u>Step 2: Evaluate</u>

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