Respuesta :
2s - 4 = 16
Add 4 to both sides
2s = 20
Divide both sides by 2
s = 10
Add 4 to both sides
2s = 20
Divide both sides by 2
s = 10
If you switch it around, it becomes: 16 + 4 = 2s
16 + 4 = 20
20 = 2s
20 ÷ 2 = 10
s = 10
Hope this helps :)
16 + 4 = 20
20 = 2s
20 ÷ 2 = 10
s = 10
Hope this helps :)