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5 votes
Solve. 14/n+7=10/n-4

N=5.25
N=3.5
N=31.5
N=30

1 Answer

5 votes

Answer:

n=31.5

Explanation:

The given question is:


(14)/(n+7)=(10)/(n-4)

Cross multiply to get:


14(n-4)=10(n+7)

Expand the parenthesis:


14n-56=10n+70

Group similar terms:


14n-10n=70+56

Combine the like terms


4n=126

Divide both sides by 4


n=(126)/(4)

n=31.5

User Travis Banger
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