Answer:
c = -2.4 or -12/5
Explanation:
5c - 3 = -15
First we need to add 3 to both sides so,
5c - 3 + 3 = -15 + 3
so we can now solve it
5c = -12 then we divide 5 by both sides
c = -12 / 5
c = -2.4
The fraction form is -12/5
The decimal form is -2.4
Hope this helps!!