Respuesta :

Answer:

7. -27 + 6y = 3y - 9

6y-3y = -9+27

3y = 18

3=6

8. 3(m-2) = -2(m-3)

3m-6 = -2m + 6

3m+2m= 6+6

5m=12

m= 12/5