20-15d=1

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Solution for 20-15d=1 equation: 


Simplifying
20 + -15d = 1

Solving
20 + -15d = 1

Solving for variable 'd'.

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

Add '-20' to each side of the equation.
20 + -20 + -15d = 1 + -20

Combine like terms: 20 + -20 = 0
0 + -15d = 1 + -20
-15d = 1 + -20

Combine like terms: 1 + -20 = -19
-15d = -19

Divide each side by '-15'.
d = 1.266666667

Simplifying
d = 1.266666667

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