Two systems of equations are given below.
For each system, choose the best description of its solution.
If applicable, give the solution.
System A
x+2y=8
-x-2y=-8
The system has no solution.
The system has a unique solution:
(x,y) = ( , )
The system has infinitely many solutions.
They must satisfy the following equation:
y =
System B
x+2y=4
-x-2y=4
The system has no solution.
The system has a unique solution:
(x,y) = ( , )
The system has infinitely many solutions.
They must satisfy the following equation:
y =
