(x+15)2=289

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Solution for (x+15)2=289 equation:


Simplifying
(x + 15) * 2 = 289

Reorder the terms:
(15 + x) * 2 = 289

Reorder the terms for easier multiplication:
2(15 + x) = 289
(15 * 2 + x * 2) = 289
(30 + 2x) = 289

Solving
30 + 2x = 289

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 2x = 289 + -30

Combine like terms: 30 + -30 = 0
0 + 2x = 289 + -30
2x = 289 + -30

Combine like terms: 289 + -30 = 259
2x = 259

Divide each side by '2'.
x = 129.5

Simplifying
x = 129.5

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