21-b=37

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Solution for 21-b=37 equation: 


Simplifying
21 + -1b = 37

Solving
21 + -1b = 37

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 + -1b = 37 + -21

Combine like terms: 21 + -21 = 0
0 + -1b = 37 + -21
-1b = 37 + -21

Combine like terms: 37 + -21 = 16
-1b = 16

Divide each side by '-1'.
b = -16

Simplifying
b = -16

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