7+-3D=16

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Solution for 7+-3D=16 equation: 


Simplifying
7 + -3D = 16

Solving
7 + -3D = 16

Solving for variable 'D'.

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

Add '-7' to each side of the equation.
7 + -7 + -3D = 16 + -7

Combine like terms: 7 + -7 = 0
0 + -3D = 16 + -7
-3D = 16 + -7

Combine like terms: 16 + -7 = 9
-3D = 9

Divide each side by '-3'.
D = -3

Simplifying
D = -3

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