SOLUTION: solve for the variable in each equation below. show all work. check answer. if a solution is undefined, state that in answer.
3/a+1=5/a+7
please help if you can. thanks
Algebra.Com
Question 420654: solve for the variable in each equation below. show all work. check answer. if a solution is undefined, state that in answer.
3/a+1=5/a+7
please help if you can. thanks
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve for the variable in each equation below. show all work. check answer. if a solution is undefined, state that in answer.
3/a+1=5/a+7
----
Cross-multiply:
3(a+7) = 5(a+1)
3a+21 = 5a+5
2a = 16
a = 8
===================
Cheers,
Stan H.
===============
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