2(b+3)-4b=36

Solution for 2(b+3)-4b=36 equation:

Simplifying
2(b + 3) + -4b = 36

Reorder the terms:
2(3 + b) + -4b = 36
(3 * 2 + b * 2) + -4b = 36
(6 + 2b) + -4b = 36

Combine like terms: 2b + -4b = -2b
6 + -2b = 36

Solving
6 + -2b = 36

Solving for variable 'b'.

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

Add '-6' to each side of the equation.
6 + -6 + -2b = 36 + -6

Combine like terms: 6 + -6 = 0
0 + -2b = 36 + -6
-2b = 36 + -6

Combine like terms: 36 + -6 = 30
-2b = 30

Divide each side by '-2'.
b = -15

Simplifying
b = -15