3d-4+d=8d(-12)

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Solution for 3d-4+d=8d(-12) equation: 



3d-4+d=8d(-12)

We move all terms to the left:

3d-4+d-(8d(-12))=0

We add all the numbers together, and all the variables

4d-(8d(-12))-4=0



We calculate terms in parentheses: -(8d(-12)), so:

8d(-12)

We multiply parentheses

-96d

Back to the equation:

-(-96d)



We get rid of parentheses

4d+96d-4=0

We add all the numbers together, and all the variables

100d-4=0

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

100d=4

d=4/100

d=1/25

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