7d+=10d-20

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Solution for 7d+=10d-20 equation:


7d+=10d-20

We simplify the equation to the form, which is simple to understand 
7d+=10d-20

We move all terms containing d to the left and all other terms to the right. 
+7d-10d=-20

We simplify left and right side of the equation. 
-3d=-20

We divide both sides of the equation by -3 to get d. 
d=6.6666666666667

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