7/13*(26/21+x)-28/54:14/27=-11/117

[latex] \frac{7}{13} *( \frac{26}{21} +x)- \frac{28}{54} : \frac{14}{27} =- \frac{11}{117} \\ \frac{7}{13} *( \frac{26}{21} +x)- 1 =- \frac{11}{117} \\ \frac{7}{13} *( \frac{26}{21} +x)=-\frac{11+117} {117} \\ \frac{7}{13} *( \frac{26}{21} +x)=\frac{106} {117} \\ \frac{26}{21} +x=\frac{106*13} {117*7} \\ x= \frac{106}{63} - \frac{26}{21} \\ x= \frac{4}{9} [/latex]