The problem
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I need to find an answer for the undefined with 3x-7 over 3x+7. I know the answer is negative 7 over 3 but cannot see how this is completed.
Answer provided by our tutors
You have typed in the expression:
In order to solve the equation for 'x' you need to type in:
This way you will get the solution 7 over 3:
Click here to see step by step solution.