20d-15=65

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Solution for 20d-15=65 equation: 


Simplifying
20d + -15 = 65

Reorder the terms:
-15 + 20d = 65

Solving
-15 + 20d = 65

Solving for variable 'd'.

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

Add '15' to each side of the equation.
-15 + 15 + 20d = 65 + 15

Combine like terms: -15 + 15 = 0
0 + 20d = 65 + 15
20d = 65 + 15

Combine like terms: 65 + 15 = 80
20d = 80

Divide each side by '20'.
d = 4

Simplifying
d = 4

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