The problem
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I need to see how the problem is broken down what are you putting on each side.
Answer provided by our tutors
Go to 'Options', select 'Show: a lot of steps' and click 'Apply'.
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.
You will get the following solution:
Click here to see the solution.