-3(2b-1)=4(6+5)

Solution for -3(2b-1)=4(6+5) equation:

-3(2b-1)=4(6+5)

We simplify the equation to the form, which is simple to understand 
-3(2b-1)=4(6+5)

Simplifying terms in parentheses
-3*(2b-1)=4*(+11)

Reorder the terms in parentheses
+(-6b+3)=4*(+11)

Remove unnecessary parentheses
-6b+3=+4+*(+11+)

Reorder the terms in parentheses
-6b+3=+(+44)

Remove unnecessary parentheses
-6b+3=+44

We move all terms containing b to the left and all other terms to the right. 
-6b=+44-3

We simplify left and right side of the equation. 
-6b=+41

We divide both sides of the equation by -6 to get b. 
b=-6.83333333333