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Mathematics, 29.05.2020 22:58 vvvvvvvv84

Which equation results from adding the equations in this system?
-2x+y=8
5x-y=-5

* 7x=13
* 7x=3
* 3x=3
*3x=13

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Which equation results from adding the equations in this system?
-2x+y=8
5x-y=-5
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