21+b=29

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Solution for 21+b=29 equation: 


Simplifying
21 + b = 29

Solving
21 + b = 29

Solving for variable 'b'.

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

Add '-21' to each side of the equation.
21 + -21 + b = 29 + -21

Combine like terms: 21 + -21 = 0
0 + b = 29 + -21
b = 29 + -21

Combine like terms: 29 + -21 = 8
b = 8

Simplifying
b = 8

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