Answer: c=-12. *The answer must have a negative sign.*
Explanation:
First, you had to do is divide by -3 from both sides of an equation.
[tex]\frac{-3c}{-3}=\frac{36}{-3}[/tex]
And then, you simplify.
[tex]36/3=12[/tex]
You can also multiply by the numbers.
[tex]12*3=36[/tex]
[tex]3*12=36[/tex]
[tex]c=-12[/tex]
Hope this helps!