3d-20=d

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Solution for 3d-20=d equation:


Simplifying
3d + -20 = d

Reorder the terms:
-20 + 3d = d

Solving
-20 + 3d = d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-20 + 3d + -1d = d + -1d

Combine like terms: 3d + -1d = 2d
-20 + 2d = d + -1d

Combine like terms: d + -1d = 0
-20 + 2d = 0

Add '20' to each side of the equation.
-20 + 20 + 2d = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 2d = 0 + 20
2d = 0 + 20

Combine like terms: 0 + 20 = 20
2d = 20

Divide each side by '2'.
d = 10

Simplifying
d = 10

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