20+1d=30+0.5d

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Solution for 20+1d=30+0.5d equation: 



20+1d=30+0.5d

We move all terms to the left:

20+1d-(30+0.5d)=0

We add all the numbers together, and all the variables

1d-(0.5d+30)+20=0

We add all the numbers together, and all the variables

d-(0.5d+30)+20=0

We get rid of parentheses

d-0.5d-30+20=0

We add all the numbers together, and all the variables

0.5d-10=0

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

0.5d=10

d=10/0.5

d=20

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