Answer two questions about Systems A and B: System A:
x+3y=-99
2x+y=4
System B:
3x+4y=-9
2x+y=4
1) How can we get System B from System A?

A) Replace one equation with the sum/difference of both equations

B) Replace only the left-hand side of one equation with the sum/difference of the left-hand sides of both equations

C) Replace one equation with a multiple of itself

D) Replace one equation with a multiple of the other equation
2) Based on the previous answer, are the systems equivalent? In other words, do they have the same solution?
Choose 1
Choose 1
A)Yes
B)No