180=30+123+b

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Solution for 180=30+123+b equation:


Simplifying
180 = 30 + 123 + b

Combine like terms: 30 + 123 = 153
180 = 153 + b

Solving
180 = 153 + 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.
180 + -1b = 153 + b + -1b

Combine like terms: b + -1b = 0
180 + -1b = 153 + 0
180 + -1b = 153

Add '-180' to each side of the equation.
180 + -180 + -1b = 153 + -180

Combine like terms: 180 + -180 = 0
0 + -1b = 153 + -180
-1b = 153 + -180

Combine like terms: 153 + -180 = -27
-1b = -27

Divide each side by '-1'.
b = 27

Simplifying
b = 27

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