0.33 is rational 12 = Whole , real , irrational
The correct answer is the first option.
If you want to use elimination, you can sum the two equations for example, so that the x's simplify:
Plug this value for y in one of the equations to derive the value of x:
So, the solution is
-7 + 4(n-1). Use this and plug in 10 for n, making it
-7 + 4(9)
-7+36
29