1.5k views
4 votes
What is the answer to ... -5 - 3w = 7

User Anjula
by
7.3k points

1 Answer

6 votes

Answer:

w = -4

General Formulas and Concepts:

Pre-Algebra

  • Order of Operations: BPEMDAS

Algebra I

  • Equality Properties

Explanation:

Step 1: Define equation

-5 - 3w = 7

Step 2: Solve for w

  1. Add 5 to both sides: -3w = 12
  2. Divide -3 on both sides: w = -4

Step 3: Check

Plug in w to verify it's a solution.

  1. Substitute: -5 - 3(-4) = 7
  2. Multiply: -5 + 12 = 7
  3. Add: 7 = 7

And we have our final answer!

User Kereen
by
6.5k points