Answer :
Given the expression :
[tex]25+4a=\frac{-6}{9}[/tex]Solve the equation to find a :
Subtract 25 from both sides
[tex]\begin{gathered} 25+4a-25=-\frac{6}{9}-25 \\ \\ 4a=-25\frac{6}{9}=-\frac{77}{3} \\ \\ a=-\frac{77}{4\cdot3}=-\frac{77}{12} \end{gathered}[/tex]So, the answer is : -77/12