# Solve? -3c-12=-5+c

$c = - \frac{4}{7}$

#### Explanation:

Start with $- 3 c - 12 = - 5 + c$

We can add $3 c$ to both sides and also add 5 to both sides:

$- 3 c + 3 c - 12 + 5 = - 5 + 5 + c + 3 c$

$- 7 = 4 c$

$c = - \frac{4}{7}$