Since vertical angles are equal to each other, we can set the measures of the two angles equal to each other:
\[ m∠1 = m∠2 \]
Substituting the measures you provided, we have:
\[ 2x - 16 = 98 \]
This equation can be solved for \(x\).
Thus, the equation that you will use to solve for \(x\) is:
\[ 2x - 16 = 98 \]