You can put this solution on YOUR website!
Whenever you have parentheses, work from
the inside out.
So start with
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The general rule for this is: , so
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Now you have:
Note that answer
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You can check this by filling in any
numbers for and
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Plug in same numbers for answer:
This should be the same as
This doesn't PROVE the answer's right
but there is a better than even chance