I'm pretty sure the answer is 33, hope this helps!
Answer:
C) both
Step-by-step explanation:
-4x+7=2y-3
Plug in
(2,1)
-4(2) +7 = 2(1)-3
-8 + 7 = 2 - 3
-1 = -1
So (2,1) is the solution
(5,-5)
-4(5) +7 = 2(-5)-3
-20 + 7 = -10 - 3
-13 = -13
So (5,-5) is the solution
Answer:
C) both
You just place the same numbers into the equation
The best definition for the term substitution would be...
the action of replacing someone or something with another person or thing.
The end result would be ( 11/5 , -15/5)