3=9b+12

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Solution for 3=9b+12 equation:


Simplifying
3 = 9b + 12

Reorder the terms:
3 = 12 + 9b

Solving
3 = 12 + 9b

Solving for variable 'b'.

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

Add '-9b' to each side of the equation.
3 + -9b = 12 + 9b + -9b

Combine like terms: 9b + -9b = 0
3 + -9b = 12 + 0
3 + -9b = 12

Add '-3' to each side of the equation.
3 + -3 + -9b = 12 + -3

Combine like terms: 3 + -3 = 0
0 + -9b = 12 + -3
-9b = 12 + -3

Combine like terms: 12 + -3 = 9
-9b = 9

Divide each side by '-9'.
b = -1

Simplifying
b = -1

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