Answer:

Explanation:
[ Divide Both Sides By 12y ]
12xy / 12y = 5z / 12y
- PNW
0.75 miles per hour I think....
Answer:
2x+3y= 1500
Step-by-step explanation:

This cannot be factored because you can'y take a number out.
This is factoring. 
This is not factoring. 
Hope this helps. :)
I don't get your question