B-(-12)=31

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Solution for B-(-12)=31 equation: 


Simplifying
B + -1(-12) = 31

Multiply -1 * -12
B + 12 = 31

Reorder the terms:
12 + B = 31

Solving
12 + B = 31

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 = 31 + -12

Combine like terms: 12 + -12 = 0
0 + B = 31 + -12
B = 31 + -12

Combine like terms: 31 + -12 = 19
B = 19

Simplifying
B = 19

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