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21 votes
What is x in 15 = -3(x -2)

2 Answers

7 votes

Answer:

-3

Explanation:

15 = -3(x -2)

-5=x-2

-3=x

User Tltjr
by
4.7k points
8 votes

Answer:

x = -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

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Explanation:

Step 1: Define

15 = -3(x - 2)

Step 2: Solve for x

  1. [Division Property of Equality] Divide -3 on both sides: -5 = x - 2
  2. [Addition Property of Equality] Add 2 on both sides: -3 = x
  3. Rewrite/Rearrange: x = -3
User IMI
by
4.4k points