x+7=x-4

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Solution for x+7=x-4 equation: 


Simplifying
x + 7 = x + -4

Reorder the terms:
7 + x = x + -4

Reorder the terms:
7 + x = -4 + x

Add '-1x' to each side of the equation.
7 + x + -1x = -4 + x + -1x

Combine like terms: x + -1x = 0
7 + 0 = -4 + x + -1x
7 = -4 + x + -1x

Combine like terms: x + -1x = 0
7 = -4 + 0
7 = -4

Solving
7 = -4

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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