7(d+6)=4(d+15)

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Solution for 7(d+6)=4(d+15) equation: 



7(d+6)=4(d+15)

We move all terms to the left:

7(d+6)-(4(d+15))=0

We multiply parentheses

7d-(4(d+15))+42=0



We calculate terms in parentheses: -(4(d+15)), so:

4(d+15)

We multiply parentheses

4d+60

Back to the equation:

-(4d+60)



We get rid of parentheses

7d-4d-60+42=0

We add all the numbers together, and all the variables

3d-18=0

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

3d=18

d=18/3

d=6

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