b-43=21

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Solution for b-43=21 equation: 


Simplifying
b + -43 = 21

Reorder the terms:
-43 + b = 21

Solving
-43 + b = 21

Solving for variable 'b'.

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

Add '43' to each side of the equation.
-43 + 43 + b = 21 + 43

Combine like terms: -43 + 43 = 0
0 + b = 21 + 43
b = 21 + 43

Combine like terms: 21 + 43 = 64
b = 64

Simplifying
b = 64

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