Respuesta :

5x - 2x = 10 + 20

3x = 30

x is 10
x=10
Americ
5x - 20 = 2x + 10
add 20 to both sides

5x= 2x + 30
subtract 2x from both sides

3x= 30
divide both sides by 3

x= 10

Hope this helps! :)