(c+9)2=64

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Solution for (c+9)2=64 equation:


Simplifying
(c + 9) * 2 = 64

Reorder the terms:
(9 + c) * 2 = 64

Reorder the terms for easier multiplication:
2(9 + c) = 64
(9 * 2 + c * 2) = 64
(18 + 2c) = 64

Solving
18 + 2c = 64

Solving for variable 'c'.

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

Add '-18' to each side of the equation.
18 + -18 + 2c = 64 + -18

Combine like terms: 18 + -18 = 0
0 + 2c = 64 + -18
2c = 64 + -18

Combine like terms: 64 + -18 = 46
2c = 46

Divide each side by '2'.
c = 23

Simplifying
c = 23

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