(x-5)2=7

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Solution for (x-5)2=7 equation:


Simplifying
(x + -5) * 2 = 7

Reorder the terms:
(-5 + x) * 2 = 7

Reorder the terms for easier multiplication:
2(-5 + x) = 7
(-5 * 2 + x * 2) = 7
(-10 + 2x) = 7

Solving
-10 + 2x = 7

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 2x = 7 + 10

Combine like terms: -10 + 10 = 0
0 + 2x = 7 + 10
2x = 7 + 10

Combine like terms: 7 + 10 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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