Respuesta :

Space

Answer:

x = -2

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

Algebra I

  • Function Notation

Step-by-step explanation:

Step 1: Define

f(x) = 3x - 1

f(x) = -7

Step 2: Solve for x

  1. Substitute:                    -7 = 3x - 1
  2. Isolate x term:              -6 = 3x
  3. Isolate x:                       -2 = x
  4. Rewrite:                        x = -2

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