Answer:
-3x-3y=-24
divide the equation by 3
-x-y=-8
multiply -1
x+y=8
second equation
x+y=8
same equation
so answer is
x+y=8
Step-by-step explanation:
Answer:
6:$255.50
7:$21.25
8:$219.50
9:$143.75
Step-by-step explanation:
Can i have brainiest?!!!!
114 is the answer hope this helps good luck and god bless!
Step-by-step explanation:
f(x) = 9 * 81^x
When x = -1/2,
f(-1/2) = 9 * 81^(-1/2) = 9 * (1/9) = 1.
