12b-9+2b-b=-23

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Solution for 12b-9+2b-b=-23 equation:


Simplifying
12b + -9 + 2b + -1b = -23

Reorder the terms:
-9 + 12b + 2b + -1b = -23

Combine like terms: 12b + 2b = 14b
-9 + 14b + -1b = -23

Combine like terms: 14b + -1b = 13b
-9 + 13b = -23

Solving
-9 + 13b = -23

Solving for variable 'b'.

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

Add '9' to each side of the equation.
-9 + 9 + 13b = -23 + 9

Combine like terms: -9 + 9 = 0
0 + 13b = -23 + 9
13b = -23 + 9

Combine like terms: -23 + 9 = -14
13b = -14

Divide each side by '13'.
b = -1.076923077

Simplifying
b = -1.076923077

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