9+b=3-2b

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Solution for 9+b=3-2b equation:


Simplifying
9 + b = 3 + -2b

Solving
9 + b = 3 + -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.
9 + b + 2b = 3 + -2b + 2b

Combine like terms: b + 2b = 3b
9 + 3b = 3 + -2b + 2b

Combine like terms: -2b + 2b = 0
9 + 3b = 3 + 0
9 + 3b = 3

Add '-9' to each side of the equation.
9 + -9 + 3b = 3 + -9

Combine like terms: 9 + -9 = 0
0 + 3b = 3 + -9
3b = 3 + -9

Combine like terms: 3 + -9 = -6
3b = -6

Divide each side by '3'.
b = -2

Simplifying
b = -2

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