4B-8=13

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Solution for 4B-8=13 equation: 


Simplifying
4B + -8 = 13

Reorder the terms:
-8 + 4B = 13

Solving
-8 + 4B = 13

Solving for variable 'B'.

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

Add '8' to each side of the equation.
-8 + 8 + 4B = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 4B = 13 + 8
4B = 13 + 8

Combine like terms: 13 + 8 = 21
4B = 21

Divide each side by '4'.
B = 5.25

Simplifying
B = 5.25

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