What is the answer to 3/4 = 7/n ?

The answer to 3/4 = 7/n is n= 28/3

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3/4 = 7/n

\frac{3}{4} = \frac{7}{n}

n = \frac{28}{3}

Decimal Notation

n = 9.33333 \dots

Solution steps

\frac{3}{4} = \frac{7}{n}

Cross multiply

3 n = 28

Divide both sides by

3

n = \frac{28}{3}

Verify Solutions

Find undefined (singularity) points:

n = 0

Combine undefined points with solutions:

n = \frac{28}{3}

\frac{( x ^{2} - 1 )}{( x - 1 )} = 2

\frac{1}{x + 2} - \frac{3}{x - 1} = 5

\frac{a}{c} = \frac{d}{r}

\frac{a x + b}{c x + d} = 7, x

b, a = \frac{7 d}{c + b}