D+1=12

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Solution for D+1=12 equation: 


Simplifying
D + 1 = 12

Reorder the terms:
1 + D = 12

Solving
1 + D = 12

Solving for variable 'D'.

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

Add '-1' to each side of the equation.
1 + -1 + D = 12 + -1

Combine like terms: 1 + -1 = 0
0 + D = 12 + -1
D = 12 + -1

Combine like terms: 12 + -1 = 11
D = 11

Simplifying
D = 11

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