(x-3)2-18=0

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Solution for (x-3)2-18=0 equation:


Simplifying
(x + -3) * 2 + -18 = 0

Reorder the terms:
(-3 + x) * 2 + -18 = 0

Reorder the terms for easier multiplication:
2(-3 + x) + -18 = 0
(-3 * 2 + x * 2) + -18 = 0
(-6 + 2x) + -18 = 0

Reorder the terms:
-6 + -18 + 2x = 0

Combine like terms: -6 + -18 = -24
-24 + 2x = 0

Solving
-24 + 2x = 0

Solving for variable 'x'.

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

Add '24' to each side of the equation.
-24 + 24 + 2x = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 2x = 0 + 24
2x = 0 + 24

Combine like terms: 0 + 24 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

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