If x = 2 y = 1 and z = 5 then expression x + 3y - 2z gives?
- -5
- 5
- -3
- None of these
Explanation
Given: x = 2, y = 1, z = 5
Expression: x + 3y - 2z
Put values: 2 + 3(1) - 2(5) = 2 + 3 - 10 = 5 - 10 = -5
Last verified on 25-06-2026
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