Answer: N=-4.75
Steps:
1 - Isolate the variable by adding 7 to 31, since the opposite of subtraction is addition
2 - Evaluate the equation and you will have -8n=38
3 - Divide 38 by -8n (38 / -8)
4 - Thirty eight divided by negative eight comes out to -4.75
Therefore, n = -4.75
