12b-(-b)=-13

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Solution for 12b-(-b)=-13 equation: 


Simplifying
12b + -1(-1b) = -13

Remove parenthesis around (-1b)
12b + -1 * -1b = -13

Multiply -1 * -1
12b + 1b = -13

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

Solving
13b = -13

Solving for variable 'b'.

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

Divide each side by '13'.
b = -1

Simplifying
b = -1

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