B-12=-7

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Solution for B-12=-7 equation: 


Simplifying
B + -12 = -7

Reorder the terms:
-12 + B = -7

Solving
-12 + B = -7

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 = -7 + 12

Combine like terms: -12 + 12 = 0
0 + B = -7 + 12
B = -7 + 12

Combine like terms: -7 + 12 = 5
B = 5

Simplifying
B = 5

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