7(+9d)=7d+3

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Solution for 7(+9d)=7d+3 equation: 



7(+9d)=7d+3

We move all terms to the left:

7(+9d)-(7d+3)=0

We multiply parentheses

63d-(7d+3)=0

We get rid of parentheses

63d-7d-3=0

We add all the numbers together, and all the variables

56d-3=0

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

56d=3

d=3/56

d=3/56

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