Question

Which of the following expressions is not equivalent to the rest?

(1 point)
Responses

18 + m – 11
18 + m – 11

17
• 7 • m + 7
1 seventh• 7 • m + 7

5 + m – 12
5 + m – 12

m • 1 + 7
m • 1 + 7
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Answer 1

5 + m − 12

Reason: 18 + m − 11 = m + 7, m·1 + 7 = m + 7, and 7 + m = m + 7, but 5 + m − 12 = m − 7, which is different.