b-4+8b=25

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Solution for b-4+8b=25 equation:


Simplifying
b + -4 + 8b = 25

Reorder the terms:
-4 + b + 8b = 25

Combine like terms: b + 8b = 9b
-4 + 9b = 25

Solving
-4 + 9b = 25

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 + 9b = 25 + 4

Combine like terms: -4 + 4 = 0
0 + 9b = 25 + 4
9b = 25 + 4

Combine like terms: 25 + 4 = 29
9b = 29

Divide each side by '9'.
b = 3.222222222

Simplifying
b = 3.222222222

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