3x - y = 7 6x - y = 10 When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated?

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asked Jan 25, 2019 20.7k views

4 votes

3x - y = 7

6x - y = 10
When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated?

Mathematics
middle-school

Louis Langholtz asked

by Louis Langholtz

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-3x = -3 because you would multiply one of the equations by -1 to eliminate y.

Max Worg answered Jan 30, 2019

by Max Worg

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