To solve for $x$, divide both sides by $-4.9$.

$\frac{-4.9\textit{x}}{-4.9}=\frac{9.8}{-4.9}$

$x=-2$

Multiply both sides by $-\frac{7}{2}$.

$\textit{x}=-\frac{4}{3}$

You will need to subtract three fifths from both sides to isolate $x$.