21b+9=9

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Solution for 21b+9=9 equation: 


Simplifying
21b + 9 = 9

Reorder the terms:
9 + 21b = 9

Add '-9' to each side of the equation.
9 + -9 + 21b = 9 + -9

Combine like terms: 9 + -9 = 0
0 + 21b = 9 + -9
21b = 9 + -9

Combine like terms: 9 + -9 = 0
21b = 0

Solving
21b = 0

Solving for variable 'b'.

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

Divide each side by '21'.
b = 0

Simplifying
b = 0

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