1-9b-12=-2

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Solution for 1-9b-12=-2 equation:


Simplifying
1 + -9b + -12 = -2

Reorder the terms:
1 + -12 + -9b = -2

Combine like terms: 1 + -12 = -11
-11 + -9b = -2

Solving
-11 + -9b = -2

Solving for variable 'b'.

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

Add '11' to each side of the equation.
-11 + 11 + -9b = -2 + 11

Combine like terms: -11 + 11 = 0
0 + -9b = -2 + 11
-9b = -2 + 11

Combine like terms: -2 + 11 = 9
-9b = 9

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

Simplifying
b = -1

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