5(4-2c)+3(c+9)=12

Solution for 5(4-2c)+3(c+9)=12 equation:

5(4-2c)+3(c+9)=12

We simplify the equation to the form, which is simple to understand 
5(4-2c)+3(c+9)=12

Reorder the terms in parentheses
+(+20-10c)+3*(c+9)=12

Remove unnecessary parentheses
+20-10c+3+*(+c+9+)=+12

Reorder the terms in parentheses
+20-10c+(+3c+27)=12

Remove unnecessary parentheses
+20-10c+3c+27=+12

We move all terms containing c to the left and all other terms to the right. 
-10c+3c=+12-20-27

We simplify left and right side of the equation. 
-7c=-35

We divide both sides of the equation by -7 to get c. 
c=5