2ab+-9b+9b+b=

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Solution for 2ab+-9b+9b+b= equation: 


Simplifying
2ab + -9b + 9b + b = 0

Combine like terms: -9b + 9b = 0
2ab + 0 + b = 0
2ab + b = 0

Solving
2ab + b = 0

Solving for variable 'a'.

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

Add '-1b' to each side of the equation.
2ab + b + -1b = 0 + -1b

Combine like terms: b + -1b = 0
2ab + 0 = 0 + -1b
2ab = 0 + -1b
Remove the zero:
2ab = -1b

Divide each side by '2b'.
a = -0.5

Simplifying
a = -0.5

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