12b-7=-2

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Solution for 12b-7=-2 equation: 


Simplifying
12b + -7 = -2

Reorder the terms:
-7 + 12b = -2

Solving
-7 + 12b = -2

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + 12b = -2 + 7

Combine like terms: -7 + 7 = 0
0 + 12b = -2 + 7
12b = -2 + 7

Combine like terms: -2 + 7 = 5
12b = 5

Divide each side by '12'.
b = 0.4166666667

Simplifying
b = 0.4166666667

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