111=3b-5(3b-3)

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Solution for 111=3b-5(3b-3) equation:


Simplifying
111 = 3b + -5(3b + -3)

Reorder the terms:
111 = 3b + -5(-3 + 3b)
111 = 3b + (-3 * -5 + 3b * -5)
111 = 3b + (15 + -15b)

Reorder the terms:
111 = 15 + 3b + -15b

Combine like terms: 3b + -15b = -12b
111 = 15 + -12b

Solving
111 = 15 + -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.
111 + 12b = 15 + -12b + 12b

Combine like terms: -12b + 12b = 0
111 + 12b = 15 + 0
111 + 12b = 15

Add '-111' to each side of the equation.
111 + -111 + 12b = 15 + -111

Combine like terms: 111 + -111 = 0
0 + 12b = 15 + -111
12b = 15 + -111

Combine like terms: 15 + -111 = -96
12b = -96

Divide each side by '12'.
b = -8

Simplifying
b = -8

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