B+12=15

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Solution for B+12=15 equation: 


Simplifying
B + 12 = 15

Reorder the terms:
12 + B = 15

Solving
12 + B = 15

Solving for variable 'B'.

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

Add '-12' to each side of the equation.
12 + -12 + B = 15 + -12

Combine like terms: 12 + -12 = 0
0 + B = 15 + -12
B = 15 + -12

Combine like terms: 15 + -12 = 3
B = 3

Simplifying
B = 3

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