2D-4d+d=-18

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Solution for 2D-4d+d=-18 equation: 


Simplifying
2D + -4d + d = -18

Combine like terms: -4d + d = -3d
2D + -3d = -18

Solving
2D + -3d = -18

Solving for variable 'D'.

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

Add '3d' to each side of the equation.
2D + -3d + 3d = -18 + 3d

Combine like terms: -3d + 3d = 0
2D + 0 = -18 + 3d
2D = -18 + 3d

Divide each side by '2'.
D = -9 + 1.5d

Simplifying
D = -9 + 1.5d

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