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If 6x+4=7 what is the value of 6x-4? Shows steps please

1 Answer

3 votes

Answer:

-1

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
  • Subtract Property of Equality

Explanation:

Step 1: Define

6x + 4 = 7

Step 2: Solve for x

  1. Subtract 4 on both sides: 6x = 3
  2. Divide 6 on both sides: x = 3/6
  3. Simplify fraction: x = 1/2

Step 3: Evaluate

  1. Define equation: 6x - 4
  2. Substitute in x: 6(1/2) - 4
  3. Multiply: 3 - 4
  4. Subtract: -1
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