d/3+7=20

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Solution for d/3+7=20 equation: 



d/3+7=20

We move all terms to the left:

d/3+7-(20)=0

We add all the numbers together, and all the variables

d/3-13=0

We multiply all the terms by the denominator


d-13*3=0

We add all the numbers together, and all the variables

d-39=0

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

d=39

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