Respuesta :
Answer:
c = -10
Step-by-step explanation:
Divide both sides by -3
simplify
c - 1 = -11
add 1 to both sides
c - 1 + 1 = -11 + 1
simplify
c = -10
C=12, all you have to do is factor out the parenthesis and then the rest of the equation.
