Answer:
3x - y = 1
Step-by-step explanation:
The system:

There is no solution to this system of equations.
The system:


The is one solution to this system.
The system:


There are infinity solutions to the system.
The system:


The is one solution to this system.
Answer:
one student followed BODMAS other didnt
Step-by-step explanation:t
Answer:
Step-by-step explanation:
um
Answer:
surely it's 200 marbles bc 2/4 is equal to 1/2 and if u then half 400 you get 200
Step-by-step explanation: