-6+b=21

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Solution for -6+b=21 equation: 


Simplifying
-6 + b = 21

Solving
-6 + b = 21

Solving for variable 'b'.

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

Add '6' to each side of the equation.
-6 + 6 + b = 21 + 6

Combine like terms: -6 + 6 = 0
0 + b = 21 + 6
b = 21 + 6

Combine like terms: 21 + 6 = 27
b = 27

Simplifying
b = 27

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