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Equivalent systems of equations

Harry and Ginny'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
3x8y=113x-8y=11
10x+15y=510x+15y=5
HarryGinny
2x+3y=12x+3y=113x+7y=1613x+7y=16
3x8y=123x-8y=123x8y=113x-8y=11
Which system has the same solution as the teacher's system?
Choose 1 answer:
Choose 1 answer: