9(d+7)=225

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Solution for 9(d+7)=225 equation: 



9(d+7)=225

We move all terms to the left:

9(d+7)-(225)=0

We multiply parentheses

9d+63-225=0

We add all the numbers together, and all the variables

9d-162=0

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

9d=162

d=162/9

d=18

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