(x+8)2=9

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Solution for (x+8)2=9 equation:


Simplifying
(x + 8) * 2 = 9

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

Reorder the terms for easier multiplication:
2(8 + x) = 9
(8 * 2 + x * 2) = 9
(16 + 2x) = 9

Solving
16 + 2x = 9

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 2x = 9 + -16

Combine like terms: 16 + -16 = 0
0 + 2x = 9 + -16
2x = 9 + -16

Combine like terms: 9 + -16 = -7
2x = -7

Divide each side by '2'.
x = -3.5

Simplifying
x = -3.5

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