(x-4)2=121

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Solution for (x-4)2=121 equation:


Simplifying
(x + -4) * 2 = 121

Reorder the terms:
(-4 + x) * 2 = 121

Reorder the terms for easier multiplication:
2(-4 + x) = 121
(-4 * 2 + x * 2) = 121
(-8 + 2x) = 121

Solving
-8 + 2x = 121

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 2x = 121 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 121 + 8
2x = 121 + 8

Combine like terms: 121 + 8 = 129
2x = 129

Divide each side by '2'.
x = 64.5

Simplifying
x = 64.5

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