Answer two questions about Systems A and B: System A System B
x-7y=-3 4x+y=7
4x+y=7 x−7y=−3
1) How can we get System B from System A?
Choose 1
A. Swap only the left-hand sides of both equations
B. Swap the order of the equations
C. Replace one equation with itself where a quantity is added to only one side
D. Replace one equation with itself where the same quantity is added to both sides
2) Based on the previous answer, are the systems equivalent? In other words, do they have the same solution? A. Yes B. No