The correct option will be the last one: (-5, 8)
<u><em>Explanation</em></u>

According to substitution method, first we will isolate either
or
from any of the equation. So, we are solving the equation (2) for
now...

Now we will plug this
into equation (1) in place of
...

By plugging
into the equation
, we will get...

So, the solution of the system is (-5, 8)