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Please help ASAP

If you answer I will give 98 points!!!

Subtract and simplify.

(−y2−3y−5)−(−3y2−7y+4)




−2y2−10y−1

2y2+4y−9

2y2−7y−9

2y2−10y+4

Respuesta :

axgell
the first one???????
MarshmallowGirl

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[tex]\boxed{Explained\:Answer}[/tex]

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4(x+2)−7(x−y)=77(x+y)+10(x−2)=79 

Answer: \displaystyle x = 5, y = 2.x=5,y=2.

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