Answer:
the answer is -2
Step-by-step explanation:
Since x=5 and y=20, plug those values into the correct variables in the equation of 4x-1/2y-12.
When we do that it brings us to:
4(5)-1/2(20)-12
Then we just simplify:
20-10-12
Simplify again:
10-12
So 10-12 is -2, therefore -2 is the answer
