SOLUTION: Please help me add this rational expression.
(a+7)/(a-4) + (9-5a)/(a-4)
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Question 200455: Please help me add this rational expression.
(a+7)/(a-4) + (9-5a)/(a-4)
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Add:
Since both fractions are over a common denominator, (a-4), you can add the numerators and put them over the common denominator:
Now simplify the numerator.
Factor a 4 from the numerator.
Rewrite the numerator: and substitute.
which leaves you with:
as your answer.
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