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Calculate: 7 - 2 × (3 + 1)

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Question: Calculate: 7 - 2 × (3 + 1)

Options:

  1. 3
  2. 1
  3. 5
  4. 7

Correct Answer: 5

Solution: 

First, calculate inside the parentheses: 3 + 1 = 4. Then, 2 × 4 = 8. Finally, 7 - 8 = -1.

Calculate: 7 - 2 × (3 + 1)

Practice Questions

Q1
Calculate: 7 - 2 × (3 + 1)
  1. 3
  2. 1
  3. 5
  4. 7

Questions & Step-by-Step Solutions

Calculate: 7 - 2 × (3 + 1)
  • Step 1: Calculate inside the parentheses: 3 + 1 = 4.
  • Step 2: Multiply the result by 2: 2 × 4 = 8.
  • Step 3: Subtract the result from 7: 7 - 8 = -1.
  • Order of Operations – This question tests the understanding of the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).
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