Red de conocimiento informático - Computadora portátil - 4(y+y-20)=720

4(y+y-20)=720

y?~~

4(y+y-20)=720

y+y-20=720?4

y+y-20=180

y+y=1820

2y=200

y=200?2

y=100 =4?10100-20?=4?180=720=?

1

(y+y-20)4?

4(y+y-20)=720

y+y-20=720?4

y+y-20=180

20.

y+y-20=180

y+y=1820 y

y+y=1820

2y=200

1?

y=200?2

y=100

1~~ ~~