Answer: R=8
Step-by-step explanation: R-7=1, R+7=1+7, R=8.
C I believe hope this is correct :)
Answer: x>-1
x<-3
Step-by-step explanation:

subtract 3 on both sides

divide -2 on both sides

The sign changed because I divided by a negative.

add 3 on both sides

multiply -1 on both sides

divide 4 on both sides

Brainlist please