The answer is 9 I hope I am not late to this question sorry if I am wrong,
Answer:
has infinite solution
Step-by-step explanation:
(x,y)=(1-2a,a) where a is an element of any real number
Add the like terms.
12r+11r-4r= 19r
5s+9s=14s
-7t=-7t
19r+14s-7t
Look it up :)))))))))))))
Answer:
A
Step-by-step explanation:
the answer is A because it is
