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September 18, 2014

September 18, 2014

Posted by **Noah** on Sunday, February 3, 2008 at 8:33pm.

3/9w+7

Can someone help me figure this out?

Is the answer 0?

- algebra -
**Damon**, Sunday, February 3, 2008 at 8:39pmPlease be careful about parentheses when using a keyboard

(3/9)w + 7 undefined for w=0

[3/(9w)] + 7 undefined for w = 0

3/(9w+7) undefined for w = -7/9

- algebra -
**Noah**, Sunday, February 3, 2008 at 8:42pmthere are no parentheses thats why i didn't put any in the problem

- algebra -
- algebra -
**Damon**, Sunday, February 3, 2008 at 9:03pmyou have to add them when using computer keyboard or we have trouble being sure what you mean

with no parentheses, you have to mean

[3/(9w)] + 7 by order of operations rules

- algebra -
**Damon**, Sunday, February 3, 2008 at 9:13pmWhoa, I take that back

if there are no parentheses or other indication of what is numerator and what is denominator, you do the multipications and divisions left to right, and later additions and subtractions

(3/9) w + 7

never undefined

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