-7.8d+1.22=-9.9d-10.12

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Solution for -7.8d+1.22=-9.9d-10.12 equation: 



-7.8d+1.22=-9.9d-10.12

We move all terms to the left:

-7.8d+1.22-(-9.9d-10.12)=0

We get rid of parentheses

-7.8d+9.9d+10.12+1.22=0

We add all the numbers together, and all the variables

2.1d+11.34=0

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

2.1d=-11.34

d=-11.34/2.1

d=-5+0.84/2.1

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