7d+19=12d-16

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Solution for 7d+19=12d-16 equation: 



7d+19=12d-16

We move all terms to the left:

7d+19-(12d-16)=0

We get rid of parentheses

7d-12d+16+19=0

We add all the numbers together, and all the variables

-5d+35=0

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

-5d=-35

d=-35/-5

d=+7

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