Answer:

Step-by-step explanation:
Solve all options.
1. 

So,

There are solutions.
2. 

So,

There is one solution.
3. 

So,

There are no solutions.
Answer:35y 12z+4y
Step-by-step explanation:
Answer:
the 2nd one, 3rd one, and 5th one
Step-by-step explanation:
Answer:
55w+145
Step-by-step explanation:
(10w+120)+(45w+25)
=10w+120+45w+25
=45w+10w+120+25
=(45w+10w)+(120+25)
=55w+145