20=1+d

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Solution for 20=1+d equation:


Simplifying
20 = 1 + d

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

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

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

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

Combine like terms: 1 + -20 = -19
-1d = -19

Divide each side by '-1'.
d = 19

Simplifying
d = 19

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