123=.12*b

Solution for 123=.12*b equation:

Simplifying
123 = 0.12b

Solving
123 = 0.12b

Solving for variable 'b'.

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

Add '-0.12b' to each side of the equation.
123 + -0.12b = 0.12b + -0.12b

Combine like terms: 0.12b + -0.12b = 0.00
123 + -0.12b = 0.00

Add '-123' to each side of the equation.
123 + -123 + -0.12b = 0.00 + -123

Combine like terms: 123 + -123 = 0
0 + -0.12b = 0.00 + -123
-0.12b = 0.00 + -123

Combine like terms: 0.00 + -123 = -123
-0.12b = -123

Divide each side by '-0.12'.
b = 1025

Simplifying
b = 1025