8d+7(d+2)=-1

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Solution for 8d+7(d+2)=-1 equation: 



8d+7(d+2)=-1

We move all terms to the left:

8d+7(d+2)-(-1)=0

We add all the numbers together, and all the variables

8d+7(d+2)+1=0

We multiply parentheses

8d+7d+14+1=0

We add all the numbers together, and all the variables

15d+15=0

We move all terms containing d to the left, all other terms to the right

15d=-15

d=-15/15

d=-1

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