Find the value of Expressions when m = 2, n = – 1 : 3m – n

1.	Find the value of Expressions when m = 2, n = – 1 : 3m – n
Answer» Given expression is 3m – n If m = 2, n = – 1, then 3m – n = 3(2) -(-1) = 6 + 1 = 7 ∴ If m = 2, n = – 1, then 3m – n = 7

Answer»

Given expression is 3m – n

If m = 2, n = – 1, then

3m – n = 3(2) -(-1) = 6 + 1 = 7

∴ If m = 2, n = – 1, then 3m – n = 7

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