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Mniess · Answer 1 · 2019-03-10T06:31:02+0000

Answer:

Michiko is right for this system of linear equations, and her method will also work for other systems of linear equations.

Gublooo · Answer 2 · 2019-03-14T03:02:28+0000

Adding a negative number and subtracting a positive number are the same thing. They both give the same result. Therefore, both methods will work for all systems of equations.

Answer is B

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