Question

Find b for 6/b-1=9/7

Answer 1

Given

The expression is given

$\frac{6}{b}-1=\frac{9}{7}$Explanation

To determine the value of b.

$\begin{gathered} \frac{6}{b}-1=\frac{9}{7} \\ \frac{6}{b}=\frac{9}{7}+1 \\ \frac{6}{b}=\frac{9+7}{7} \\ \frac{6}{b}=\frac{16}{7} \\ b=\frac{6\times7}{16} \\ b=\frac{3\times7}{8} \\ b=\frac{21}{8} \end{gathered}$Answer

Hence the value of b is

$b=\frac{21}{8}=2.625$