(2x-4)2-20=16

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Solution for (2x-4)2-20=16 equation: 


Simplifying
(2x + -4) * 2 + -20 = 16

Reorder the terms:
(-4 + 2x) * 2 + -20 = 16

Reorder the terms for easier multiplication:
2(-4 + 2x) + -20 = 16
(-4 * 2 + 2x * 2) + -20 = 16
(-8 + 4x) + -20 = 16

Reorder the terms:
-8 + -20 + 4x = 16

Combine like terms: -8 + -20 = -28
-28 + 4x = 16

Solving
-28 + 4x = 16

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 4x = 16 + 28

Combine like terms: -28 + 28 = 0
0 + 4x = 16 + 28
4x = 16 + 28

Combine like terms: 16 + 28 = 44
4x = 44

Divide each side by '4'.
x = 11

Simplifying
x = 11

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