49=7(d+3)

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Solution for 49=7(d+3) equation: 



49=7(d+3)

We move all terms to the left:

49-(7(d+3))=0



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

7(d+3)

We multiply parentheses

7d+21

Back to the equation:

-(7d+21)



We get rid of parentheses

-7d-21+49=0

We add all the numbers together, and all the variables

-7d+28=0

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

-7d=-28

d=-28/-7

d=+4

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