Respuesta :

[tex]\begin{gathered} -7x=x+24 \\ \text{Subtract x from both sides} \\ -7x-x=x-x+24 \\ -8x=24 \\ \text{divide both sides by -8} \\ \frac{-8x}{-8}=\frac{24}{-8} \\ x=-3 \end{gathered}[/tex]