Answer:
-2/5
Step-by-step explanation:

Expand parentheses:

Hope this helps!
Use 6 tens to get 60 and then 2 ones
use 5 tens to get 50 and 12 ones
Answer:-4
Step-by-step explanation:
1. Is 4x+4+2y
2.is 4x • y+8
3.is 4x+9
4.is 6x+7
Step-by-step explanation:
3x + 1
=3x + 1
this is because a variable X is attached to the 3 so it makes the 3x and the 1 unlike
therefore you can not add them.