Question

Answer two questions about Systems A and B.

System A
System B
X+ 3y = -9
3x + 4y = -9
2x+y= 4
2x+y= 4
1) How can we get System B from System A?
Choose 1 answers
315
Replace one equation with the sum/difference of both equations
Duet
Replace only the left-hand side of one equation with the sun difference of the left-hand sides
of both equations
Replace one equation with a multiple of itself
sto
Replace one equation with a multiple of the other equation

Answer 1

System a contains the system be of the chosen answer by replacing one equation by something different with multiple other equations the 2XYS system nine