(x+9)2=89

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Solution for (x+9)2=89 equation:


Simplifying
(x + 9) * 2 = 89

Reorder the terms:
(9 + x) * 2 = 89

Reorder the terms for easier multiplication:
2(9 + x) = 89
(9 * 2 + x * 2) = 89
(18 + 2x) = 89

Solving
18 + 2x = 89

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 2x = 89 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 89 + -18
2x = 89 + -18

Combine like terms: 89 + -18 = 71
2x = 71

Divide each side by '2'.
x = 35.5

Simplifying
x = 35.5

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