Respuesta :

Jieep
20x+5y=15

Add -20x to both sides.

20x+5y+20x=15+20x

5y=20x+15

Divide both sides by 5.

5y/20x+15/5

y=4x+3

Answer:

y=3-4x

Step-by-step explanation:

20x+5y=15, Subtract 20x from both sides.

5y=15-20x, Divide 5 from both sides.

y=3-4x