Asked by Anonymous
I have 2 problems that I just need to know if they are right
1. Add, Simplify if possible
3/14w + 11/49w
Answer that I got was
21+22/98w
2. Add, simplify if possible
9b/3b-9 + 6b/9b-27
I am not sure about this one
I got two answers
81b+6b/34b-108 or
87b/34b-108
please help
1. Add, Simplify if possible
3/14w + 11/49w
Answer that I got was
21+22/98w
2. Add, simplify if possible
9b/3b-9 + 6b/9b-27
I am not sure about this one
I got two answers
81b+6b/34b-108 or
87b/34b-108
please help
Answers
Answered by
jim
1. is correct, but not completed:
(21+22)/98w (careful to use the brackets)
=43/98w
2. I went wrong on this one myself, by taking the question down wrong, but I have it straight now.
Divide 6b/(9b-27) top and bottom by 3. You can do that without changing its value. So
6b/(9b-27) = 2b/(3b-9)
Now you're left with 9b/(3b-9) + 2b(3b-9) and I'm sure you can see your way from there.
(21+22)/98w (careful to use the brackets)
=43/98w
2. I went wrong on this one myself, by taking the question down wrong, but I have it straight now.
Divide 6b/(9b-27) top and bottom by 3. You can do that without changing its value. So
6b/(9b-27) = 2b/(3b-9)
Now you're left with 9b/(3b-9) + 2b(3b-9) and I'm sure you can see your way from there.
Answered by
yarelis
reduce all anwser to thir lowesr terms
Answered by
yarelis
reduce all anwser to thir lowesr terms 12/25 5/18?
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