15+4d=7(3d+5)

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Solution for 15+4d=7(3d+5) equation: 



15+4d=7(3d+5)

We move all terms to the left:

15+4d-(7(3d+5))=0



We calculate terms in parentheses: -(7(3d+5)), so:

7(3d+5)

We multiply parentheses

21d+35

Back to the equation:

-(21d+35)



We get rid of parentheses

4d-21d-35+15=0

We add all the numbers together, and all the variables

-17d-20=0

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

-17d=20

d=20/-17

d=-1+3/17

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