Respuesta :

Answer:

11.2 - 10y

Step-by-step explanation:

= 4-3y +(-7y) + 7.2

= 4 -3y -7y +7.2

= 4 -10y +7.2

= 4 +7.2 - 10y

= 11.2 - 10y

Answer:

4-3y+(-7y)+7.2

4-3y+-7y+7.2

11.2-3y-7y

11.2=10yu

Step-by-step explanation:

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