3B+5B-4=28

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Solution for 3B+5B-4=28 equation: 


Simplifying
3B + 5B + -4 = 28

Reorder the terms:
-4 + 3B + 5B = 28

Combine like terms: 3B + 5B = 8B
-4 + 8B = 28

Solving
-4 + 8B = 28

Solving for variable 'B'.

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

Add '4' to each side of the equation.
-4 + 4 + 8B = 28 + 4

Combine like terms: -4 + 4 = 0
0 + 8B = 28 + 4
8B = 28 + 4

Combine like terms: 28 + 4 = 32
8B = 32

Divide each side by '8'.
B = 4

Simplifying
B = 4

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