b+45=120

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Solution for b+45=120 equation: 


Simplifying
b + 45 = 120

Reorder the terms:
45 + b = 120

Solving
45 + b = 120

Solving for variable 'b'.

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

Add '-45' to each side of the equation.
45 + -45 + b = 120 + -45

Combine like terms: 45 + -45 = 0
0 + b = 120 + -45
b = 120 + -45

Combine like terms: 120 + -45 = 75
b = 75

Simplifying
b = 75

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