15d-21=564

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Solution for 15d-21=564 equation: 


Simplifying
15d + -21 = 564

Reorder the terms:
-21 + 15d = 564

Solving
-21 + 15d = 564

Solving for variable 'd'.

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

Add '21' to each side of the equation.
-21 + 21 + 15d = 564 + 21

Combine like terms: -21 + 21 = 0
0 + 15d = 564 + 21
15d = 564 + 21

Combine like terms: 564 + 21 = 585
15d = 585

Divide each side by '15'.
d = 39

Simplifying
d = 39

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