Question

I need help asap pls.​

Answer 1

Known :

b = 8

Asked :

20 - b = ...?

Answer :

20 - b

= 20 - 8

= 12

So, the valur of 20 - b is 12

Hope it helpful and useful :)

Answer 2

when it says b=8 that’s say explaining where you would put the 8 so it would be 20-8