9b-30=3b

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Solution for 9b-30=3b equation:


Simplifying
9b + -30 = 3b

Reorder the terms:
-30 + 9b = 3b

Solving
-30 + 9b = 3b

Solving for variable 'b'.

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

Add '-3b' to each side of the equation.
-30 + 9b + -3b = 3b + -3b

Combine like terms: 9b + -3b = 6b
-30 + 6b = 3b + -3b

Combine like terms: 3b + -3b = 0
-30 + 6b = 0

Add '30' to each side of the equation.
-30 + 30 + 6b = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 6b = 0 + 30
6b = 0 + 30

Combine like terms: 0 + 30 = 30
6b = 30

Divide each side by '6'.
b = 5

Simplifying
b = 5

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