Respuesta :

Answer:
13y+15
Explanation:
4y-2.5+ 4y-2.5+ 2.5y+10+ 2.5y+10=13y+15
13y+15

Explanation:

4y-2.5+ 4y-2.5+ 2.5y+10+ 2.5y+10=13y+15
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