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Equivalent systems of equations

Sarah and Takumi's teacher gave them a system of linear equations to solve. They each took a few steps that led to the systems shown in the table below.
Teacher
7x+3y=57x+3y=-5
6x9y=36x-9y=-3
SarahTakumi
2x+3y=1-2x+3y=16x9y=126x-9y=-12
7x+3y=57x+3y=-514x+6y=1014x+6y=-10
Which system has the same solution as the teacher's system?
Choose 1 answer:
Choose 1 answer: