3d+7=(d-3)

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



3d+7=(d-3)

We move all terms to the left:

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



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

(d-3)

We get rid of parentheses

d-3

Back to the equation:

-(d-3)



We get rid of parentheses

3d-d+3+7=0

We add all the numbers together, and all the variables

2d+10=0

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

2d=-10

d=-10/2

d=-5

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