b+15=20

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Solution for b+15=20 equation: 


Simplifying
b + 15 = 20

Reorder the terms:
15 + b = 20

Solving
15 + b = 20

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 = 20 + -15

Combine like terms: 15 + -15 = 0
0 + b = 20 + -15
b = 20 + -15

Combine like terms: 20 + -15 = 5
b = 5

Simplifying
b = 5

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