SOLUTION: REplace A with proper expression where the fractions are equivalent: 7/a+5=7a-35/A.
I am not sure how to go about solving these kind of problems. Any help would be appreciated. Th
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Question 627882: REplace A with proper expression where the fractions are equivalent: 7/a+5=7a-35/A.
I am not sure how to go about solving these kind of problems. Any help would be appreciated. Thank you
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
REplace A with proper expression where the fractions are equivalent:
:
=
factor out 7 in the 2nd numerator
=
divide both sides by 7, results:
=
Cross multiply
A = (a+5)(a-5)
A = a^2 - 25
Equiv:
=
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