4(d+7)=7^2

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Solution for 4(d+7)=7^2 equation: 



4(d+7)=7^2

We move all terms to the left:

4(d+7)-(7^2)=0

We add all the numbers together, and all the variables

4(d+7)-49=0

We multiply parentheses

4d+28-49=0

We add all the numbers together, and all the variables

4d-21=0

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

4d=21

d=21/4

d=5+1/4

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