(x-9)2=9

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Solution for (x-9)2=9 equation:


Simplifying
(x + -9) * 2 = 9

Reorder the terms:
(-9 + x) * 2 = 9

Reorder the terms for easier multiplication:
2(-9 + x) = 9
(-9 * 2 + x * 2) = 9
(-18 + 2x) = 9

Solving
-18 + 2x = 9

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 18 + 2x = 9 + 18

Combine like terms: -18 + 18 = 0
0 + 2x = 9 + 18
2x = 9 + 18

Combine like terms: 9 + 18 = 27
2x = 27

Divide each side by '2'.
x = 13.5

Simplifying
x = 13.5

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