amandachloeanderson6 amandachloeanderson6
  • 22-12-2020
  • Mathematics
contestada

_2) Solve for r: 3r + 2-r=-4
A. 3
B.-3
C. 4
D.-4

Respuesta :

Space
Space Space
  • 22-12-2020

Answer:

B. -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

Equality Properties

Step-by-step explanation:

Step 1: Define

3r + 2 - r = -4

Step 2: Solve for r

  1. Combine like terms:                    2r + 2 = -4
  2. Subtract 2 on both sides:            2r = -6
  3. Divide 2 on both sides:               r = -3
Answer Link
dyllan73
dyllan73 dyllan73
  • 22-12-2020
B is the answer to the problem
Answer Link

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