-9=3b-12

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Solution for -9=3b-12 equation: 


Simplifying
-9 = 3b + -12

Reorder the terms:
-9 = -12 + 3b

Solving
-9 = -12 + 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.
-9 + -3b = -12 + 3b + -3b

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

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

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

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

Divide each side by '-3'.
b = 1

Simplifying
b = 1

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