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How do you solving the solution of each system using elimination?

How do you solving the solution of each system using elimination?-example-1
User Tsando
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2 Answers

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I think that you have to divide.
User Patrick Steadman
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You have to get either the x or y to go away. Multiple the top row by -1

-3x+3y= -9
3x-4y =5

-1y= -4
User Benjy
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