-d+10-7d=-10-10d

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Solution for -d+10-7d=-10-10d equation: 



-d+10-7d=-10-10d

We move all terms to the left:

-d+10-7d-(-10-10d)=0

We add all the numbers together, and all the variables

-d-7d-(-10d-10)+10=0

We add all the numbers together, and all the variables

-8d-(-10d-10)+10=0

We get rid of parentheses

-8d+10d+10+10=0

We add all the numbers together, and all the variables

2d+20=0

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

2d=-20

d=-20/2

d=-10

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