2d-4=2d-2d

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Solution for 2d-4=2d-2d equation: 


Simplifying
2d + -4 = 2d + -2d

Reorder the terms:
-4 + 2d = 2d + -2d

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

Solving
-4 + 2d = 0

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 + 2d = 0 + 4

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

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

Divide each side by '2'.
d = 2

Simplifying
d = 2

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