Answer:
The answer is the third choice 3
Explanation:
First you undo by doing the opposite 31 - 7 = 24 now we undo the 8 by undoing 24 divided by 8 is 3
Question
What is the value of n in the equation 8n + 7 =31
8n + 7 = 31
8n = 31 - 7
8n = 24
n = 24 : 8
n = 3
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check
8 * 3 + 7 = 31
24 + 7 = 31
31 = 31
The answer is good
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