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Find the value of ‘a’ using the concept of BODMAS.
42 ÷ 2 + a × 3 − 22 = 8
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- We start by solving the equation using BODMAS/BIDMAS, which stands for Brackets, Orders (i.e., powers and roots, etc.), Division and Multiplication (from left to right), Addition and Subtraction (from left to right).
- The given equation is: 42 ÷ 2 + a × 3 - 22 = 8
- First, perform the division: 42 ÷ 2 = 21
- The equation now becomes: 21 + a × 3 - 22 = 8
- Subtract 22 from 21: 21 - 22 = -1
- The equation now becomes: -1 + a × 3 = 8
- Add 1 to both sides to isolate terms with 'a': a × 3 = 9
- Divide by 3 to solve for 'a': a = 9 ÷ 3 = 3
Answer: Option 4, 3
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