x^2=x^2-18

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Solution for x^2=x^2-18 equation: 


Simplifying
x2 = x2 + -18

Reorder the terms:
x2 = -18 + x2

Add '-1x2' to each side of the equation.
x2 + -1x2 = -18 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = -18 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
0 = -18 + 0
0 = -18

Solving
0 = -18

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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