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What is the answer to 7x-2=5x+16

Sagot :

Answer:

x=9

Step by step explanation:

Add 2 to both sides, simplify, subtract 5x from both sides

Space

Answer:

x = 9

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

Algebra I

  • Terms/Coefficients

Step-by-step explanation:

Step 1: Define

7x - 2 = 5x + 16

Step 2: Solve for x

  1. [Subtraction Property of Equality] Subtract 5x on both sides:                    2x - 2 = 16
  2. [Addition Property of Equality] Add 2 on both sides:                                    2x = 18
  3. [Division Property of Equality] Divide 2 on both sides:                                 x = 9
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