9*d+2=2*d+9

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Solution for 9*d+2=2*d+9 equation: 



9d+2=2d+9

We move all terms to the left:

9d+2-(2d+9)=0

We get rid of parentheses

9d-2d-9+2=0

We add all the numbers together, and all the variables

7d-7=0

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

7d=7

d=7/7

d=1

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