Problem

Nombeko and Peter'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
minus, 3, x, plus, 12, y, equals, 15
7, x, minus, 10, y, equals, minus, 2
NombekoPeter
minus, x, plus, 4, y, equals, 5minus, 3, x, plus, 12, y, equals, 14
7, x, minus, 10, y, equals, minus, 24, x, plus, 2, y, equals, 13
Which system has the same solution as the teacher's system?
Choose 1 answer:
Choose 1 answer:
Do 4 problems