(x+7)2=169

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Solution for (x+7)2=169 equation:


Simplifying
(x + 7) * 2 = 169

Reorder the terms:
(7 + x) * 2 = 169

Reorder the terms for easier multiplication:
2(7 + x) = 169
(7 * 2 + x * 2) = 169
(14 + 2x) = 169

Solving
14 + 2x = 169

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 = 169 + -14

Combine like terms: 14 + -14 = 0
0 + 2x = 169 + -14
2x = 169 + -14

Combine like terms: 169 + -14 = 155
2x = 155

Divide each side by '2'.
x = 77.5

Simplifying
x = 77.5

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