3(b-9)=3+b

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

Simplifying
3(b + -9) = 3 + b

Reorder the terms:
3(-9 + b) = 3 + b
(-9 * 3 + b * 3) = 3 + b
(-27 + 3b) = 3 + b

Solving
-27 + 3b = 3 + b

Solving for variable 'b'.

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

Add '-1b' to each side of the equation.
-27 + 3b + -1b = 3 + b + -1b

Combine like terms: 3b + -1b = 2b
-27 + 2b = 3 + b + -1b

Combine like terms: b + -1b = 0
-27 + 2b = 3 + 0
-27 + 2b = 3

Add '27' to each side of the equation.
-27 + 27 + 2b = 3 + 27

Combine like terms: -27 + 27 = 0
0 + 2b = 3 + 27
2b = 3 + 27

Combine like terms: 3 + 27 = 30
2b = 30

Divide each side by '2'.
b = 15

Simplifying
b = 15