(7-d)2=2

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Solution for (7-d)2=2 equation: 



(7-d)2=2

We move all terms to the left:

(7-d)2-(2)=0

We add all the numbers together, and all the variables

(-1d+7)2-2=0

We multiply parentheses

-2d+14-2=0

We add all the numbers together, and all the variables

-2d+12=0

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

-2d=-12

d=-12/-2

d=+6

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