If 2x + y = 10 and x = 2 , then the value of xy = _____?
- 8
- 10
- 12
- None of these
Explanation
Given x = 2, let's find y:
2x + y = 10
2(2) + y = 10
4 + y = 10
y = 6
Now, xy = 2 × 6 = 12
Last verified on 19-03-2026
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