b-9+9b=30

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Solution for b-9+9b=30 equation:


Simplifying
b + -9 + 9b = 30

Reorder the terms:
-9 + b + 9b = 30

Combine like terms: b + 9b = 10b
-9 + 10b = 30

Solving
-9 + 10b = 30

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 10b = 30 + 9

Combine like terms: -9 + 9 = 0
0 + 10b = 30 + 9
10b = 30 + 9

Combine like terms: 30 + 9 = 39
10b = 39

Divide each side by '10'.
b = 3.9

Simplifying
b = 3.9

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