3(x-4-5)-5(6+x)=6(x-6+8)

Solution for 3(x-4-5)-5(6+x)=6(x-6+8) equation:

3(x-4-5)-5(6+x)=6(x-6+8)

We simplify the equation to the form, which is simple to understand 
3(x-4-5)-5(6+x)=6(x-6+8)

Reorder the terms in parentheses
+(-27+3x)-5*(6+x)=6*(+2+1x)

Remove unnecessary parentheses
-27+3x-5+*(+6+x+)=+6+*(+2+1x+)

Reorder the terms in parentheses
-27+3x+(-30-5x)=6*(+2+1x)

Remove unnecessary parentheses
-27+3x-30-5x=+6+*(+2+1x+)

Reorder the terms in parentheses
-27+3x-30-5x=+(+12+6x)

Remove unnecessary parentheses
-27+3x-30-5x=+12+6x

We move all terms containing x to the left and all other terms to the right. 
+3x-5x-6x=+12+27+30

We simplify left and right side of the equation. 
-8x=+69

We divide both sides of the equation by -8 to get x. 
x=-8.625