10-d+10=-10-7d

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



10-d+10=-10-7d

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1d-(-7d-10)+20=0

We get rid of parentheses

-1d+7d+10+20=0

We add all the numbers together, and all the variables

6d+30=0

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

6d=-30

d=-30/6

d=-5

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