B-30=-7

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Solution for B-30=-7 equation: 


Simplifying
B + -30 = -7

Reorder the terms:
-30 + B = -7

Solving
-30 + B = -7

Solving for variable 'B'.

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

Add '30' to each side of the equation.
-30 + 30 + B = -7 + 30

Combine like terms: -30 + 30 = 0
0 + B = -7 + 30
B = -7 + 30

Combine like terms: -7 + 30 = 23
B = 23

Simplifying
B = 23

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