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 ->
Expressions-with-variables
-> 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
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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
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Cross-multiply:
3(a+7) = 5(a+1)
3a+21 = 5a+5
2a = 16
a = 8
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Cheers,
Stan H.
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