34=2(d+7)-7d

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Solution for 34=2(d+7)-7d equation: 



34=2(d+7)-7d

We move all terms to the left:

34-(2(d+7)-7d)=0



We calculate terms in parentheses: -(2(d+7)-7d), so:

2(d+7)-7d

We add all the numbers together, and all the variables

-7d+2(d+7)

We multiply parentheses

-7d+2d+14

We add all the numbers together, and all the variables

-5d+14

Back to the equation:

-(-5d+14)



We get rid of parentheses

5d-14+34=0

We add all the numbers together, and all the variables

5d+20=0

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

5d=-20

d=-20/5

d=-4

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