d+20=2d+2

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


Simplifying
d + 20 = 2d + 2

Reorder the terms:
20 + d = 2d + 2

Reorder the terms:
20 + d = 2 + 2d

Solving
20 + d = 2 + 2d

Solving for variable 'd'.

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

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

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

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

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

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

Combine like terms: 2 + -20 = -18
-1d = -18

Divide each side by '-1'.
d = 18

Simplifying
d = 18

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