Answer:
7+40n
Step-by-step explanation:
distribute 5 and get 5=40n then add the extra 2 for the awnser of 7=40n
Answer:112+20
112+20=132 which equals to the other equation
b=−1
Answer: -1
Step-by-step explanation: Let the integer be x
It's additive inverse = -x
= x / -x = -1