.3d+7.9=9.1;d=

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Solution for .3d+7.9=9.1;d= equation: 



.3d+7.9=9.1d=

We move all terms to the left:

.3d+7.9-(9.1d)=0

We add all the numbers together, and all the variables

.3d-(+9.1d)+7.9=0

We get rid of parentheses

.3d-9.1d+7.9=0

We add all the numbers together, and all the variables

-8.8d+7.9=0

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

-8.8d=-7.9

d=-7.9/-8.8

d=4.1578947368421/4.6315789473684

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