The problem
Click to see the original problem
I know it’s explained. But still didn’t show how to get 2x=21
Answer provided by our tutors
If you want to see more step by step solution click on the Options button to adjust the number of steps to be shown.
By appling show a lot of steps you will get the following solution:
You can obtain an explanation for any step by clicking on it. Please note that you cannot click on the very first expression, which is the original problem.