7d-27=4D+21

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Solution for 7d-27=4D+21 equation:


7d-27=4d+21

We simplify the equation to the form, which is simple to understand 
7d-27=4d+21

We move all terms containing d to the left and all other terms to the right. 
+7d-4d=+21+27

We simplify left and right side of the equation. 
+3d=+48

We divide both sides of the equation by 3 to get d. 
d=16

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