SOLUTION: How do you add a rational expression like this: 3x/10 + 9x/10?
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Question 153120: How do you add a rational expression like this: 3x/10 + 9x/10?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
3x/10 + 9x/10
Because the denominators are the same you can just add the numerators. Thus:
(3x+9x)/10=12x/10=6x/5 answer.
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