-0.2(3c+15)=3(0.8-8)

Solution for -0.2(3c+15)=3(0.8-8) equation:

-0.2(3c+15)=3(0.8-8)

We simplify the equation to the form, which is simple to understand 
-0.2(3c+15)=3(0.8-8)

Reorder the terms in parentheses
+(-0.6c-3)=3*(-7.2)

Remove unnecessary parentheses
-0.6c-3=+3+*(-7.2+)

Reorder the terms in parentheses
-0.6c-3=+(-21.6)

Remove unnecessary parentheses
-0.6c-3=-21.6

We move all terms containing c to the left and all other terms to the right. 
-0.6c=-21.6+3

We simplify left and right side of the equation. 
-0.6c=-18.6

We divide both sides of the equation by -0.6 to get c. 
c=31