x=x-12-8

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Solution for x=x-12-8 equation: 


Simplifying
x = x + -12 + -8

Reorder the terms:
x = -12 + -8 + x

Combine like terms: -12 + -8 = -20
x = -20 + x

Add '-1x' to each side of the equation.
x + -1x = -20 + x + -1x

Combine like terms: x + -1x = 0
0 = -20 + x + -1x

Combine like terms: x + -1x = 0
0 = -20 + 0
0 = -20

Solving
0 = -20

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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