3D=7d-8

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Solution for 3D=7d-8 equation: 



3=7D-8

We move all terms to the left:

3-(7D-8)=0

We get rid of parentheses

-7D+8+3=0

We add all the numbers together, and all the variables

-7D+11=0

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

-7D=-11

D=-11/-7

D=1+4/7

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