-d-4=-15+11-d

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Solution for -d-4=-15+11-d equation:


Simplifying
-1d + -4 = -15 + 11 + -1d

Reorder the terms:
-4 + -1d = -15 + 11 + -1d

Combine like terms: -15 + 11 = -4
-4 + -1d = -4 + -1d

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

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

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

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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