d/2+9=-1

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Solution for d/2+9=-1 equation: 



d/2+9=-1

We move all terms to the left:

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

We add all the numbers together, and all the variables

d/2+10=0

We multiply all the terms by the denominator


d+10*2=0

We add all the numbers together, and all the variables

d+20=0

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

d=-20

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