Answer:
A
Step-by-step explanation:
It just makes the most sense
Answer:3
Step-by-step explanation:depends how your using it
Answer:
1.
( n + 4 ) - 9
- n - 4 - 9
- n - 13
2.
40 = x - 1
- x = - 1 + 40
- x = 39
Step-by-step explanation:
I duno if this is right...
X + 3 < 2x
3<2x-x
3 < x
x is greater than 3