D+19=-30

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Solution for D+19=-30 equation: 


Simplifying
D + 19 = -30

Reorder the terms:
19 + D = -30

Solving
19 + D = -30

Solving for variable 'D'.

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

Add '-19' to each side of the equation.
19 + -19 + D = -30 + -19

Combine like terms: 19 + -19 = 0
0 + D = -30 + -19
D = -30 + -19

Combine like terms: -30 + -19 = -49
D = -49

Simplifying
D = -49

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