Frequent Questions about our Solver

The problem

Click to see the original problem

I dont understand the second step

Answer provided by our tutors

First, we multiply both sides of the equation by 'r' to lose the fraction:

Then we move 'r' to the left hand side of the equation (by adding 'r' to both sides of the equation):

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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. 

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