Answer:
x=11
Step-by-step explanation:
Answer:

Step-by-step explanation:
Rewrite the system of equations as:

Subtract the second equation from the first to isolate
:

Plug in
into any of the equations above and solve for
:

Verify that the solution pair
works 
Therefore, the solution to this system of equations is:

Answer:
<em>the answer is K for #9</em>
Step-by-step explanation: