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

User Kris B
by
5.2k points

2 Answers

3 votes
B is the answer to the problem
User Sinan Baymammadli
by
5.6k points
0 votes

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

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
User Nicolas Dorier
by
5.8k points
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