bkdepierri bkdepierri

12-12-2017
Mathematics

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what is the solution of the following system?

3x + 3y =10
- 9x - 9y= -30

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texaschic101 texaschic101

12-12-2017

-9x - 9y = -30....divide everything by -3
3x + 3y = 10
as u can see, it is the exact same equation as the first equation. This means ur 2 lines are actually the same line. These are called coincident lines and they have infinite solutions.

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