Answer:they need to buy 27 boxes of plates.
Step-by-step explanation:I do not like expaining things.
Answer: C
Step-by-step explanation:
x-3y=5, y=x-7 *solve it
the answer is (8,1)
so..
C. (8,1) is a solution to both equations so it is a solution to the system
Answer:
Positive 3
Step-by-step explanation:
-29=9-6k-2k-14
-29=-5-8k
-24=-8k
k=3
R-199=70
remember you can do anything to an equaton as long as you do it to both sides
r-119=70
add 119 to both sides
r+119-119=119+70
r+0=189
r=189
Pretty sure it’s C sorry if wrong
