(9-x)2=49

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Solution for (9-x)2=49 equation:


Simplifying
(9 + -1x) * 2 = 49

Reorder the terms for easier multiplication:
2(9 + -1x) = 49
(9 * 2 + -1x * 2) = 49
(18 + -2x) = 49

Solving
18 + -2x = 49

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 = 49 + -18

Combine like terms: 18 + -18 = 0
0 + -2x = 49 + -18
-2x = 49 + -18

Combine like terms: 49 + -18 = 31
-2x = 31

Divide each side by '-2'.
x = -15.5

Simplifying
x = -15.5

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