Question

a-8/12=2a+5/3

Answer 1

\[\begin{array}{rcl}
\frac{a-8}{12}&=&\frac{2a+5}3\\
3\times12\times\frac{a-8}{12}&=&\frac{2a+5}3\times12\times3\\
3(a-8)&=&12(2a+5)\\
3a-24&=&24a+60\\
3a-24-3a&=&24a+60-3a\\
-24&=&21a+60\\
-24-60&=&21a+60-60\\
-84&=&21a\\
\frac{-84}{21}&=&\frac{21a}{21}\\
-4&=&a\\
a&=&-4
\end{array}\]