b+57-42=60

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Solution for b+57-42=60 equation: 


Simplifying
b + 57 + -42 = 60

Reorder the terms:
57 + -42 + b = 60

Combine like terms: 57 + -42 = 15
15 + b = 60

Solving
15 + b = 60

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 = 60 + -15

Combine like terms: 15 + -15 = 0
0 + b = 60 + -15
b = 60 + -15

Combine like terms: 60 + -15 = 45
b = 45

Simplifying
b = 45

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