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If f(x)= 11 when f(x) = 5x-17, find x.
(Type an exact answer, using radicals as needed.)

1 Answer

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Answer:

x = 28/5

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

  • Functions
  • Function Notation

Explanation:

Step 1: Define

f(x) = 5x - 17

f(x) = 11

Step 2: Solve for x

  1. Substitute in f(x) [Function]: 11 = 5x - 17
  2. [Addition Property of Equality] Add 17 on both sides: 28 = 5x
  3. [Division Property of Equality] Divide 5 on both sides: 28/5 = x
  4. Rewrite: x = 28/5
User Birju
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