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5 votes
3x + 5 = 2x - 1 what does x=


User Yogurtu
by
5.1k points

2 Answers

2 votes

Answer:

-6

Explanation:

You want to subtract the 2x from both sides, leaving you with x+5= -1 and then you want to subtract the 5 from both sides which gets you to your final answer of x= -6

User Wouter Debie
by
5.2k points
6 votes

Answer:

x = -6

General Formulas and Concepts:

Pre-Alg

  • Order of Operations: BPEMDAS

Algebra I

  • Equality Properties

Explanation:

Step 1: Define equation

3x + 5 = 2x - 1

Step 2: Solve for x

  1. Subtract 2x on both sides: x + 5 = -1
  2. Subtract 5 on both sides: x = -6

Step 3: Check

Plug in x to verify it's a solution.

  1. Substitute: 3(-6) + 5 = 2(-6) - 1
  2. Multiply: -18 + 5 = -12 - 1
  3. Add/Subtract: -13 = -13
User Tri Dawn
by
5.3k points