b-15=57

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Solution for b-15=57 equation: 


Simplifying
b + -15 = 57

Reorder the terms:
-15 + b = 57

Solving
-15 + b = 57

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + b = 57 + 15

Combine like terms: -15 + 15 = 0
0 + b = 57 + 15
b = 57 + 15

Combine like terms: 57 + 15 = 72
b = 72

Simplifying
b = 72

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