(w-9)2=12

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Solution for (w-9)2=12 equation:


Simplifying
(w + -9) * 2 = 12

Reorder the terms:
(-9 + w) * 2 = 12

Reorder the terms for easier multiplication:
2(-9 + w) = 12
(-9 * 2 + w * 2) = 12
(-18 + 2w) = 12

Solving
-18 + 2w = 12

Solving for variable 'w'.

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

Add '18' to each side of the equation.
-18 + 18 + 2w = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 2w = 12 + 18
2w = 12 + 18

Combine like terms: 12 + 18 = 30
2w = 30

Divide each side by '2'.
w = 15

Simplifying
w = 15

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