12=-6(6+b)

Solution for 12=-6(6+b) equation:

Simplifying
12 = -6(6 + b)
12 = (6 * -6 + b * -6)
12 = (-36 + -6b)

Solving
12 = -36 + -6b

Solving for variable 'b'.

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

Add '6b' to each side of the equation.
12 + 6b = -36 + -6b + 6b

Combine like terms: -6b + 6b = 0
12 + 6b = -36 + 0
12 + 6b = -36

Add '-12' to each side of the equation.
12 + -12 + 6b = -36 + -12

Combine like terms: 12 + -12 = 0
0 + 6b = -36 + -12
6b = -36 + -12

Combine like terms: -36 + -12 = -48
6b = -48

Divide each side by '6'.
b = -8

Simplifying
b = -8