d+d+d+d=

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Solution for d+d+d+d= equation: 


Simplifying
d + d + d + d = 0

Combine like terms: d + d = 2d
2d + d + d = 0

Combine like terms: 2d + d = 3d
3d + d = 0

Combine like terms: 3d + d = 4d
4d = 0

Solving
4d = 0

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Divide each side by '4'.
d = 0

Simplifying
d = 0

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