(2x-20)2=180

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Solution for (2x-20)2=180 equation:


Simplifying
(2x + -20) * 2 = 180

Reorder the terms:
(-20 + 2x) * 2 = 180

Reorder the terms for easier multiplication:
2(-20 + 2x) = 180
(-20 * 2 + 2x * 2) = 180
(-40 + 4x) = 180

Solving
-40 + 4x = 180

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 4x = 180 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 180 + 40
4x = 180 + 40

Combine like terms: 180 + 40 = 220
4x = 220

Divide each side by '4'.
x = 55

Simplifying
x = 55

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