Question 204182: (a+7)/(a-4) +(9-5a)/(a-4)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! (a+7)/(a-4) +(9-5a)/(a-4)
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The denominators are the same, so combine the numerators over
that common denominator:
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[a+7+9-5a]/(a-4
Simplify:
(-4a+16)/(a-4)
Factor the numerator:
[-4(a-4)]/(a-4)
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Cancel to get:
= -4
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Cheers,
Stan H.
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