b+123=-8b-30

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Solution for b+123=-8b-30 equation:


Simplifying
b + 123 = -8b + -30

Reorder the terms:
123 + b = -8b + -30

Reorder the terms:
123 + b = -30 + -8b

Solving
123 + b = -30 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
123 + b + 8b = -30 + -8b + 8b

Combine like terms: b + 8b = 9b
123 + 9b = -30 + -8b + 8b

Combine like terms: -8b + 8b = 0
123 + 9b = -30 + 0
123 + 9b = -30

Add '-123' to each side of the equation.
123 + -123 + 9b = -30 + -123

Combine like terms: 123 + -123 = 0
0 + 9b = -30 + -123
9b = -30 + -123

Combine like terms: -30 + -123 = -153
9b = -153

Divide each side by '9'.
b = -17

Simplifying
b = -17

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