66=2(d+15)

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Solution for 66=2(d+15) equation: 



66=2(d+15)

We move all terms to the left:

66-(2(d+15))=0



We calculate terms in parentheses: -(2(d+15)), so:

2(d+15)

We multiply parentheses

2d+30

Back to the equation:

-(2d+30)



We get rid of parentheses

-2d-30+66=0

We add all the numbers together, and all the variables

-2d+36=0

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

-2d=-36

d=-36/-2

d=+18

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