Answer
$a=-4$
Work Step by Step
We are given the equation $-14=2(a-3)$. We can solve the equation by first using the distributive property to simplify the right side.
$-14=2(a-3)=2(a)+2(-3)=2a-6$
Add 6 to both sides.
$-14+6=2a-6+6$
$2a=-8$
Divide both sides by 2.
$a=-4$