CA Foundation P3 · Chapter 2 · Question 1 of 9
The solution of the equation 5x − 7 = 3x + 11 is:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) x = 9
Explanation
Transposing terms: 5x − 3x = 11 + 7, so 2x = 18 and x = 9. Check: 5(9) − 7 = 38 and 3(9) + 11 = 38. Writing 2x = 4 (wrong sign on 7) gives x = 2.
More Equations MCQs
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- Q6The solution of the simultaneous equations 3x + 4y = 26 and 5x − 2y = 13 is:
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