2(2b-4)=-40

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Solution for 2(2b-4)=-40 equation: 


Simplifying
2(2b + -4) = -40

Reorder the terms:
2(-4 + 2b) = -40
(-4 * 2 + 2b * 2) = -40
(-8 + 4b) = -40

Solving
-8 + 4b = -40

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 + 4b = -40 + 8

Combine like terms: -8 + 8 = 0
0 + 4b = -40 + 8
4b = -40 + 8

Combine like terms: -40 + 8 = -32
4b = -32

Divide each side by '4'.
b = -8

Simplifying
b = -8

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