(x+13)2=225

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Solution for (x+13)2=225 equation:


Simplifying
(x + 13) * 2 = 225

Reorder the terms:
(13 + x) * 2 = 225

Reorder the terms for easier multiplication:
2(13 + x) = 225
(13 * 2 + x * 2) = 225
(26 + 2x) = 225

Solving
26 + 2x = 225

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + 2x = 225 + -26

Combine like terms: 26 + -26 = 0
0 + 2x = 225 + -26
2x = 225 + -26

Combine like terms: 225 + -26 = 199
2x = 199

Divide each side by '2'.
x = 99.5

Simplifying
x = 99.5

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