D+[-4]=-7

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Solution for D+[-4]=-7 equation: 


Simplifying
D + [-4] = -7
D + -4 = -7

Reorder the terms:
-4 + D = -7

Solving
-4 + D = -7

Solving for variable 'D'.

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

Add '4' to each side of the equation.
-4 + 4 + D = -7 + 4

Combine like terms: -4 + 4 = 0
0 + D = -7 + 4
D = -7 + 4

Combine like terms: -7 + 4 = -3
D = -3

Simplifying
D = -3

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