D-(7+2)=12/d=

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Solution for D-(7+2)=12/d= equation: 



-(7+2)=12/D=

We move all terms to the left:

-(7+2)-(12/D)=0



Domain of the equation: D)!=0

D!=0/1

D!=0

D∈R



We add all the numbers together, and all the variables

-(+12/D)-9=0

We get rid of parentheses

-12/D-9=0

We multiply all the terms by the denominator


-9*D-12=0

We add all the numbers together, and all the variables

-9D-12=0

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

-9D=12

D=12/-9

D=-1+1/3

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