12+d=0

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Solution for 12+d=0 equation: 


Simplifying
12 + d = 0

Solving
12 + d = 0

Solving for variable 'd'.

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

Add '-12' to each side of the equation.
12 + -12 + d = 0 + -12

Combine like terms: 12 + -12 = 0
0 + d = 0 + -12
d = 0 + -12

Combine like terms: 0 + -12 = -12
d = -12

Simplifying
d = -12

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