(x-9)2+4=85

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Solution for (x-9)2+4=85 equation:


Simplifying
(x + -9) * 2 + 4 = 85

Reorder the terms:
(-9 + x) * 2 + 4 = 85

Reorder the terms for easier multiplication:
2(-9 + x) + 4 = 85
(-9 * 2 + x * 2) + 4 = 85
(-18 + 2x) + 4 = 85

Reorder the terms:
-18 + 4 + 2x = 85

Combine like terms: -18 + 4 = -14
-14 + 2x = 85

Solving
-14 + 2x = 85

Solving for variable 'x'.

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

Add '14' to each side of the equation.
-14 + 14 + 2x = 85 + 14

Combine like terms: -14 + 14 = 0
0 + 2x = 85 + 14
2x = 85 + 14

Combine like terms: 85 + 14 = 99
2x = 99

Divide each side by '2'.
x = 49.5

Simplifying
x = 49.5

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