Respuesta :

Answer:

1)v=-2/45 2)y=-6.31

Step-by-step explanation:

1) -9/4v+4/5=7/8

-9(10)v+4(8)=7(5)

-90v+32=35

-90v=4

v=-4/90

v=-2/45

2)7.3y-5.81=-51.9

7.3y=-51.9+5.81

7.3y=-46.09

y=-6.31

Answer:

v= - 1/30             y=1.421

Step-by-step explanation: