What’s the answer to
2(s-10)=12

s = 16

2(s - 10) = 12

distribute the 2

2s - 20 = 12

add 20 to both sides

2s = 32

divide both sides by 2

s = 16

you can then check your work by putting in the 16

2 (16-10) = 12

2 (6) = 12

12 = 12