d+4=d-4

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Solution for d+4=d-4 equation: 


Simplifying
d + 4 = d + -4

Reorder the terms:
4 + d = d + -4

Reorder the terms:
4 + d = -4 + d

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

Combine like terms: d + -1d = 0
4 + 0 = -4 + d + -1d
4 = -4 + d + -1d

Combine like terms: d + -1d = 0
4 = -4 + 0
4 = -4

Solving
4 = -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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