8-4d-7=4-d

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Solution for 8-4d-7=4-d equation: 



8-4d-7=4-d

We move all terms to the left:

8-4d-7-(4-d)=0

We add all the numbers together, and all the variables

-4d-(-1d+4)+8-7=0

We add all the numbers together, and all the variables

-4d-(-1d+4)+1=0

We get rid of parentheses

-4d+1d-4+1=0

We add all the numbers together, and all the variables

-3d-3=0

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

-3d=3

d=3/-3

d=-1

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