Answer:
it's a
Step-by-step explanation:
just took the testttt
I'm not sure if this answer is correct because I haven't done it since 4th grade but I think it's 14 1/2in
You just substitute in what x equals. ex. x=16, x-7 : 16-7=9.
x-7
1. x= -8; -8-7= -15
2. x= -11; -11-7= -18
3. x=16; 16-7= 9
