b+3=9-b

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Solution for b+3=9-b equation:


Simplifying
b + 3 = 9 + -1b

Reorder the terms:
3 + b = 9 + -1b

Solving
3 + b = 9 + -1b

Solving for variable 'b'.

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

Add 'b' to each side of the equation.
3 + b + b = 9 + -1b + b

Combine like terms: b + b = 2b
3 + 2b = 9 + -1b + b

Combine like terms: -1b + b = 0
3 + 2b = 9 + 0
3 + 2b = 9

Add '-3' to each side of the equation.
3 + -3 + 2b = 9 + -3

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

Combine like terms: 9 + -3 = 6
2b = 6

Divide each side by '2'.
b = 3

Simplifying
b = 3

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