Answer:
I hope this helps!
It's f(x) = |x|.
Step-by-step explanation:
1
4n<44
n<11
2
n/-3 9
n-27
3
5n>-40
n>-8
4
6n18
n3
1300
Answer: X=3
5x+2x+14=14x-7
7x+14=14x-7
7x-14x=-7-14
-7x=-21
x=3