123=b

Solution for 123=b equation:

Simplifying
123 = b

Solving
123 = 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.
123 + -1b = b + -1b

Combine like terms: b + -1b = 0
123 + -1b = 0

Add '-123' to each side of the equation.
123 + -123 + -1b = 0 + -123

Combine like terms: 123 + -123 = 0
0 + -1b = 0 + -123
-1b = 0 + -123

Combine like terms: 0 + -123 = -123
-1b = -123

Divide each side by '-1'.
b = 123

Simplifying
b = 123