\(\frac15n+\frac32=\frac3{10}n\) Subtract \(\frac15n\) from both sides of the equation.
\(\frac32=\frac3{10}n-\frac15n \\~\\ \frac32=\frac3{10}n-\frac2{10}n\)
\(\frac32=\frac1{10}n\) Multiply both sides of the equation by 10 .
\(10\,*\,\frac{3}2=n \\~\\ \frac{30}{2}=n \\~\\ 15=n\)
\(\frac15n+\frac32=\frac3{10}n\) Subtract \(\frac15n\) from both sides of the equation.
\(\frac32=\frac3{10}n-\frac15n \\~\\ \frac32=\frac3{10}n-\frac2{10}n\)
\(\frac32=\frac1{10}n\) Multiply both sides of the equation by 10 .
\(10\,*\,\frac{3}2=n \\~\\ \frac{30}{2}=n \\~\\ 15=n\)