12b-13b=18

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Solution for 12b-13b=18 equation: 


Simplifying
12b + -13b = 18

Combine like terms: 12b + -13b = -1b
-1b = 18

Solving
-1b = 18

Solving for variable 'b'.

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

Divide each side by '-1'.
b = -18

Simplifying
b = -18

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