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Solve the system by the elimination/addition method

`5 x-4 y=-31`

`2 x+3 y=6`

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   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
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