7(d-3)-2d=9

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Solution for 7(d-3)-2d=9 equation:


7(d-3)-2d=9

We simplify the equation to the form, which is simple to understand 
7(d-3)-2d=9

Reorder the terms in parentheses
+(+7d-21)-2d=9

Remove unnecessary parentheses
+7d-21-2d=+9

We move all terms containing d to the left and all other terms to the right. 
+7d-2d=+9+21

We simplify left and right side of the equation. 
+5d=+30

We divide both sides of the equation by 5 to get d. 
d=6

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