(x-9)2=(x+4)2

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Solution for (x-9)2=(x+4)2 equation: 


Simplifying
(x + -9) * 2 = (x + 4) * 2

Reorder the terms:
(-9 + x) * 2 = (x + 4) * 2

Reorder the terms for easier multiplication:
2(-9 + x) = (x + 4) * 2
(-9 * 2 + x * 2) = (x + 4) * 2
(-18 + 2x) = (x + 4) * 2

Reorder the terms:
-18 + 2x = (4 + x) * 2

Reorder the terms for easier multiplication:
-18 + 2x = 2(4 + x)
-18 + 2x = (4 * 2 + x * 2)
-18 + 2x = (8 + 2x)

Add '-2x' to each side of the equation.
-18 + 2x + -2x = 8 + 2x + -2x

Combine like terms: 2x + -2x = 0
-18 + 0 = 8 + 2x + -2x
-18 = 8 + 2x + -2x

Combine like terms: 2x + -2x = 0
-18 = 8 + 0
-18 = 8

Solving
-18 = 8

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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