7d+4=18

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Solution for 7d+4=18 equation: 



7d+4=18

We move all terms to the left:

7d+4-(18)=0

We add all the numbers together, and all the variables

7d-14=0

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

7d=14

d=14/7

d=2

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