SOLUTION: Subtract. Simplify, if possible.
5-w/w-9 - 9w-7/9-w
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Question 125727: Subtract. Simplify, if possible.
5-w/w-9 - 9w-7/9-w
Found 2 solutions by solver91311, jim_thompson5910:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
In order to perform this addition, you first need to find a common denominator. Notice that -(a-b) = (b-a) for all a and b, so we can rewrite the expression:
And the common denominator becomes
Now combine the numerators:
Distribute and remove parentheses:
Collect terms:
You could factor a 2 out of the numerator and make it , but there is little value in that. I would just leave it at
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression.
Factor out a negative 1 from to get
Subtract the negative to add.
Combine the fractions
Combine like terms.
So simplifies to . In other words,
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