7+2d=23

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Solution for 7+2d=23 equation: 



7+2d=23

We move all terms to the left:

7+2d-(23)=0

We add all the numbers together, and all the variables

2d-16=0

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

2d=16

d=16/2

d=8

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