The only thing you can do with this expression is to factor a 5 out of the two terms: we have

Use elimination.
-x = -6
X = 6
-4 (6) + 4y = 12
Y = 9
(X,y)
(6,9) is the solution
One pound is equivalent to 16 ounces.
Thus, multiply 14 pounds with 16 to get the number of ounces.

14 pounds equals 224 ounces. Let me know if you need any clarifications, thanks!
~ Padoru
Hello! And thank you for your question!
All you can do is simplify √28 to 2√7
Then the equation becomes 2√7 - 2√7
Subtract the like terms to get 0.
Final Answer:
It is a rational and equal to 0.
Answer: 
Step-by-step explanation:
Given
Sean paints
of a fence in 1 hour
Sean paints
part less in the second hour
So, fraction he paints in the second hour = 
Paint in 2 hours = 
=
No, he did not finish his job