b-9+66=30

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Solution for b-9+66=30 equation: 


Simplifying
b + -9 + 66 = 30

Reorder the terms:
-9 + 66 + b = 30

Combine like terms: -9 + 66 = 57
57 + b = 30

Solving
57 + b = 30

Solving for variable 'b'.

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

Add '-57' to each side of the equation.
57 + -57 + b = 30 + -57

Combine like terms: 57 + -57 = 0
0 + b = 30 + -57
b = 30 + -57

Combine like terms: 30 + -57 = -27
b = -27

Simplifying
b = -27

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