Respuesta :

Ckaranja
It will depend on the sign of 2y. If it's positive;
3x-4y=7
3x+2y=-5
___________
-6y=12

If 2y is, however, negative;
3x-4y=7
3x-2y=-5
------------
-2y=12
Tundra9

Answer: -2y=12

Step-by-step explanation:

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