9+4(d-1)=100

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Solution for 9+4(d-1)=100 equation:


9+4(d-1)=100

We simplify the equation to the form, which is simple to understand 
9+4(d-1)=100

Reorder the terms in parentheses
9+(+4d-4)=100

Remove unnecessary parentheses
+9+4d-4=+100

We move all terms containing d to the left and all other terms to the right. 
+4d=+100-9+4

We simplify left and right side of the equation. 
+4d=+95

We divide both sides of the equation by 4 to get d. 
d=23.75

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