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What is the answer for 3(x+5)=5x+7

User C Williams
by
3.2k points

2 Answers

7 votes

Answer:

x=4 is your answer

Explanation:

3(x+5)=5x+7

3x+15=5x+7

15-7=5x-3x

2x=8

x=8/2=4

User Robert Sandberg
by
3.8k points
6 votes

Answer:

x = 4

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

Distributive Property

Equality Properties

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

Algebra I

  • Terms/Coefficients

Explanation:

Step 1: Define

3(x + 5) = 5x + 7

Step 2: Solve for x

  1. [Distributive Property] Distribute 3: 3x + 15 = 5x + 7
  2. [Subtraction Property of Equality] Subtract 3x on both sides: 15 = 2x + 7
  3. [Subtraction Property of Equality] Subtract 7 on both sides: 8 = 2x
  4. [Division Property of Equality] Divide 2 on both sides: 4 = x
  5. Rewrite: x = 4
User NightRa
by
3.3k points