b-4+4b=27

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Solution for b-4+4b=27 equation: 


Simplifying
b + -4 + 4b = 27

Reorder the terms:
-4 + b + 4b = 27

Combine like terms: b + 4b = 5b
-4 + 5b = 27

Solving
-4 + 5b = 27

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 + 5b = 27 + 4

Combine like terms: -4 + 4 = 0
0 + 5b = 27 + 4
5b = 27 + 4

Combine like terms: 27 + 4 = 31
5b = 31

Divide each side by '5'.
b = 6.2

Simplifying
b = 6.2

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