d=2d-4

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Solution for d=2d-4 equation:


Simplifying
d = 2d + -4

Reorder the terms:
d = -4 + 2d

Solving
d = -4 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
d + -2d = -4 + 2d + -2d

Combine like terms: d + -2d = -1d
-1d = -4 + 2d + -2d

Combine like terms: 2d + -2d = 0
-1d = -4 + 0
-1d = -4

Divide each side by '-1'.
d = 4

Simplifying
d = 4

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