Respuesta :

1st: 5c+3/8-1/3c
3/8-14/3c
2nd: 12/5m-2/5m-3/5
m-3/5
3rd: 6/7x-2/5y+5/7y+5/7x
11/7x+3/5y
1Emma1

Answer:

1st: 5c+3/8-1/3c

3/8-14/3c

2nd: 12/5m-2/5m-3/5

m-3/5

3rd: 6/7x-2/5y+5/7y+5/7x

11/7x+3/5y

Step-by-step explanation:

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