Answer:
m = -2
b = 16.5
Step-by-step explanation:
For the first equation
5x-y=74
5(12)-14= 46 which is not =74
Then the second is the equation
Or you calculate it also
3x+y=50
3(12)+14=50
Sutable equation this is
Answer: The answer is C
-2p/3+3
Julie is correct
Jeff said 7*n+4 = 17+5