180=120+2b

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Solution for 180=120+2b equation:


Simplifying
180 = 120 + 2b

Solving
180 = 120 + 2b

Solving for variable 'b'.

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

Add '-2b' to each side of the equation.
180 + -2b = 120 + 2b + -2b

Combine like terms: 2b + -2b = 0
180 + -2b = 120 + 0
180 + -2b = 120

Add '-180' to each side of the equation.
180 + -180 + -2b = 120 + -180

Combine like terms: 180 + -180 = 0
0 + -2b = 120 + -180
-2b = 120 + -180

Combine like terms: 120 + -180 = -60
-2b = -60

Divide each side by '-2'.
b = 30

Simplifying
b = 30

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