-2(b-4)=12

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Solution for -2(b-4)=12 equation: 


Simplifying
-2(b + -4) = 12

Reorder the terms:
-2(-4 + b) = 12
(-4 * -2 + b * -2) = 12
(8 + -2b) = 12

Solving
8 + -2b = 12

Solving for variable 'b'.

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

Add '-8' to each side of the equation.
8 + -8 + -2b = 12 + -8

Combine like terms: 8 + -8 = 0
0 + -2b = 12 + -8
-2b = 12 + -8

Combine like terms: 12 + -8 = 4
-2b = 4

Divide each side by '-2'.
b = -2

Simplifying
b = -2

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