9(d+2)=-d+1

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Solution for 9(d+2)=-d+1 equation: 



9(d+2)=-d+1

We move all terms to the left:

9(d+2)-(-d+1)=0

We add all the numbers together, and all the variables

9(d+2)-(-1d+1)=0

We multiply parentheses

9d-(-1d+1)+18=0

We get rid of parentheses

9d+1d-1+18=0

We add all the numbers together, and all the variables

10d+17=0

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

10d=-17

d=-17/10

d=-1+7/10

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