3(4z-5+7)+7(6+z)=65

Solution for 3(4z-5+7)+7(6+z)=65 equation:

3(4z-5+7)+7(6+z)=65

We simplify the equation to the form, which is simple to understand 
3(4z-5+7)+7(6+z)=65

Reorder the terms in parentheses
+(+6+12z)+7*(6+z)=65

Remove unnecessary parentheses
+6+12z+7+*(+6+z+)=+65

Reorder the terms in parentheses
+6+12z+(+42+7z)=65

Remove unnecessary parentheses
+6+12z+42+7z=+65

We move all terms containing z to the left and all other terms to the right. 
+12z+7z=+65-6-42

We simplify left and right side of the equation. 
+19z=+17

We divide both sides of the equation by 19 to get z. 
z=0.89473684210526