2d+5=20-d

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Solution for 2d+5=20-d equation:


Simplifying
2d + 5 = 20 + -1d

Reorder the terms:
5 + 2d = 20 + -1d

Solving
5 + 2d = 20 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
5 + 2d + d = 20 + -1d + d

Combine like terms: 2d + d = 3d
5 + 3d = 20 + -1d + d

Combine like terms: -1d + d = 0
5 + 3d = 20 + 0
5 + 3d = 20

Add '-5' to each side of the equation.
5 + -5 + 3d = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 3d = 20 + -5
3d = 20 + -5

Combine like terms: 20 + -5 = 15
3d = 15

Divide each side by '3'.
d = 5

Simplifying
d = 5

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