Answer
$4$
Work Step by Step
Distribute the $-6$ across, leaving you with
$7x-66+12x=10$
Add $66$ to both sides and combine the x terms leaving you with
$19x=76$
Solve for $x$ by dividing both sides by $19$:
$\dfrac{19x}{19}=\dfrac{76}{19}
\\x=4$
