3(2b+1)+b=-39

Solution for 3(2b+1)+b=-39 equation:

Simplifying
3(2b + 1) + b = -39

Reorder the terms:
3(1 + 2b) + b = -39
(1 * 3 + 2b * 3) + b = -39
(3 + 6b) + b = -39

Combine like terms: 6b + b = 7b
3 + 7b = -39

Solving
3 + 7b = -39

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 7b = -39 + -3

Combine like terms: 3 + -3 = 0
0 + 7b = -39 + -3
7b = -39 + -3

Combine like terms: -39 + -3 = -42
7b = -42

Divide each side by '7'.
b = -6

Simplifying
b = -6