The solution to the system is (2,-1)
To make sure plug in the ordered pair into the system of equations
-2(2) - 3(-1) = -1
-4 - (-3) = -1
-1 = -1
3(2) + 6(-1) = 0
6 + -6 = 0
0 = 0
This ordered pair works and is your answer
(2,-1)
When exactly do you need the answers? Like have you got them or what?
Answer:
Number of lab group with 5 students = 3
Thank you