-20+17d=20+18d-20

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Solution for -20+17d=20+18d-20 equation:


Simplifying
-20 + 17d = 20 + 18d + -20

Reorder the terms:
-20 + 17d = 20 + -20 + 18d

Combine like terms: 20 + -20 = 0
-20 + 17d = 0 + 18d
-20 + 17d = 18d

Solving
-20 + 17d = 18d

Solving for variable 'd'.

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

Add '-18d' to each side of the equation.
-20 + 17d + -18d = 18d + -18d

Combine like terms: 17d + -18d = -1d
-20 + -1d = 18d + -18d

Combine like terms: 18d + -18d = 0
-20 + -1d = 0

Add '20' to each side of the equation.
-20 + 20 + -1d = 0 + 20

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

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

Divide each side by '-1'.
d = -20

Simplifying
d = -20

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