18b=9b-180

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Solution for 18b=9b-180 equation: 


Simplifying
18b = 9b + -180

Reorder the terms:
18b = -180 + 9b

Solving
18b = -180 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
18b + -9b = -180 + 9b + -9b

Combine like terms: 18b + -9b = 9b
9b = -180 + 9b + -9b

Combine like terms: 9b + -9b = 0
9b = -180 + 0
9b = -180

Divide each side by '9'.
b = -20

Simplifying
b = -20

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