3+9(-b-5)=2(-6b-6)

Solution for 3+9(-b-5)=2(-6b-6) equation:

Simplifying
3 + 9(-1b + -5) = 2(-6b + -6)

Reorder the terms:
3 + 9(-5 + -1b) = 2(-6b + -6)
3 + (-5 * 9 + -1b * 9) = 2(-6b + -6)
3 + (-45 + -9b) = 2(-6b + -6)

Combine like terms: 3 + -45 = -42
-42 + -9b = 2(-6b + -6)

Reorder the terms:
-42 + -9b = 2(-6 + -6b)
-42 + -9b = (-6 * 2 + -6b * 2)
-42 + -9b = (-12 + -12b)

Solving
-42 + -9b = -12 + -12b

Solving for variable 'b'.

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

Add '12b' to each side of the equation.
-42 + -9b + 12b = -12 + -12b + 12b

Combine like terms: -9b + 12b = 3b
-42 + 3b = -12 + -12b + 12b

Combine like terms: -12b + 12b = 0
-42 + 3b = -12 + 0
-42 + 3b = -12

Add '42' to each side of the equation.
-42 + 42 + 3b = -12 + 42

Combine like terms: -42 + 42 = 0
0 + 3b = -12 + 42
3b = -12 + 42

Combine like terms: -12 + 42 = 30
3b = 30

Divide each side by '3'.
b = 10

Simplifying
b = 10