4n+7−(7n−8)
=4n+7+−1(7n−8)
=4n+7+−1(7n)+(−1)(−8)
=4n+7+−7n+8
Combine Like Terms
=4n+7+−7n+8
=(4n+−7n)+(7+8)
=−3n+15
Answer:
literacy rate
Step-by-step explanation:
reasearchers know hot to read and write
I wish I could help you but get got it the answers are more correct and accurate
