9b-4=30-8b

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Solution for 9b-4=30-8b equation:


Simplifying
9b + -4 = 30 + -8b

Reorder the terms:
-4 + 9b = 30 + -8b

Solving
-4 + 9b = 30 + -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
-4 + 9b + 8b = 30 + -8b + 8b

Combine like terms: 9b + 8b = 17b
-4 + 17b = 30 + -8b + 8b

Combine like terms: -8b + 8b = 0
-4 + 17b = 30 + 0
-4 + 17b = 30

Add '4' to each side of the equation.
-4 + 4 + 17b = 30 + 4

Combine like terms: -4 + 4 = 0
0 + 17b = 30 + 4
17b = 30 + 4

Combine like terms: 30 + 4 = 34
17b = 34

Divide each side by '17'.
b = 2

Simplifying
b = 2

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