The measures of vertical angles are always equal. Given that \( m∠1 = 106° \) and \( m∠2 = (3x - 75)° \), you can set them equal to each other to solve for \( x \).
So, the correct equation to write is:
\[ 3x - 75 = 106 \]
Thus, the corresponding response is:
- \( 3x°−75°=106° \)