7=3(d+1)-2

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Solution for 7=3(d+1)-2 equation: 



7=3(d+1)-2

We move all terms to the left:

7-(3(d+1)-2)=0



We calculate terms in parentheses: -(3(d+1)-2), so:

3(d+1)-2

We multiply parentheses

3d+3-2

We add all the numbers together, and all the variables

3d+1

Back to the equation:

-(3d+1)



We get rid of parentheses

-3d-1+7=0

We add all the numbers together, and all the variables

-3d+6=0

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

-3d=-6

d=-6/-3

d=+2

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