-9-7.5(1+3d)=-16.5

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Solution for -9-7.5(1+3d)=-16.5 equation:


-9-7.5(1+3d)=-16.5

We simplify the equation to the form, which is simple to understand 
-9-7.5(1+3d)=-16.5

Reorder the terms in parentheses
-9+(-7.5-22.5d)=-16.5

Remove unnecessary parentheses
-9-7.5-22.5d=-16.5

We move all terms containing d to the left and all other terms to the right. 
-22.5d=-16.5+9+7.5

We simplify left and right side of the equation. 
-22.5d=0

We divide both sides of the equation by -22.5 to get d. 
d=-0

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