-111=-3(-7b+7)-6

Solution for -111=-3(-7b+7)-6 equation:

Simplifying
-111 = -3(-7b + 7) + -6

Reorder the terms:
-111 = -3(7 + -7b) + -6
-111 = (7 * -3 + -7b * -3) + -6
-111 = (-21 + 21b) + -6

Reorder the terms:
-111 = -21 + -6 + 21b

Combine like terms: -21 + -6 = -27
-111 = -27 + 21b

Solving
-111 = -27 + 21b

Solving for variable 'b'.

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

Add '-21b' to each side of the equation.
-111 + -21b = -27 + 21b + -21b

Combine like terms: 21b + -21b = 0
-111 + -21b = -27 + 0
-111 + -21b = -27

Add '111' to each side of the equation.
-111 + 111 + -21b = -27 + 111

Combine like terms: -111 + 111 = 0
0 + -21b = -27 + 111
-21b = -27 + 111

Combine like terms: -27 + 111 = 84
-21b = 84

Divide each side by '-21'.
b = -4

Simplifying
b = -4