Respuesta :

Answer:

10

Step-by-step explanation:

5y + 2y -4y = 30

To solve first combine like terms

5y+2y-4y=3y

Then isolate your variable, do this by dividing both sides by 3.

3y=30

3y/3=30/3

Finally, simplify

y=10

The answer to this equation is 10