.5B=B-4

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Solution for .5B=B-4 equation: 


Simplifying
0.5B = B + -4

Reorder the terms:
0.5B = -4 + B

Solving
0.5B = -4 + B

Solving for variable 'B'.

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

Add '-1B' to each side of the equation.
0.5B + -1B = -4 + B + -1B

Combine like terms: 0.5B + -1B = -0.5B
-0.5B = -4 + B + -1B

Combine like terms: B + -1B = 0
-0.5B = -4 + 0
-0.5B = -4

Divide each side by '-0.5'.
B = 8

Simplifying
B = 8

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