20-d=d-8

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Solution for 20-d=d-8 equation:


Simplifying
20 + -1d = d + -8

Reorder the terms:
20 + -1d = -8 + d

Solving
20 + -1d = -8 + 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 + -1d + -1d = -8 + d + -1d

Combine like terms: -1d + -1d = -2d
20 + -2d = -8 + d + -1d

Combine like terms: d + -1d = 0
20 + -2d = -8 + 0
20 + -2d = -8

Add '-20' to each side of the equation.
20 + -20 + -2d = -8 + -20

Combine like terms: 20 + -20 = 0
0 + -2d = -8 + -20
-2d = -8 + -20

Combine like terms: -8 + -20 = -28
-2d = -28

Divide each side by '-2'.
d = 14

Simplifying
d = 14

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