Answer:
C
Step-by-step explanation:
Neither A or B
The total cost would be:
$20 = two people- 2*20=40$
20 = guest
20*20=
400 would be the cost
7x - 5 = 11
To solve for x, substitute y = -5 into the equation 7x + y = 11.
This becomes 7x + (-5) = 11 or 7x - 5 = 11.
