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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?

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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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?

asked
User Louis Langholtz
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1 Answer

2 votes
-3x = -3 because you would multiply one of the equations by -1 to eliminate y.
answered
User Max Worg
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8.0k points
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