Question

How to solve
2s-4=16

Answer 1

2s - 4 = 16

Add 4 to both sides

2s = 20

Divide both sides by 2

s = 10

Answer 2

If you switch it around, it becomes: 16 + 4 = 2s

16 + 4 = 20

20 = 2s

20 ÷ 2 = 10

s = 10

Hope this helps :)