Question

`n + 7 = 8`

Answer 1

`n+7=8`

Subtract the 7 from 8, which would then get you...

`n=1`

Answer 2

Isolate the n. Note the equal sign. What you do to one side, you do to the other.

Subtract 7 from both sides

n + 7 (-7) = 8 (-7)

n = 8 - 7

n = 1

1 is your answer

hope this helps