9(15+a)=297

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Solution for 9(15+a)=297 equation: 



9(15+a)=297

We move all terms to the left:

9(15+a)-(297)=0

We add all the numbers together, and all the variables

9(a+15)-297=0

We multiply parentheses

9a+135-297=0

We add all the numbers together, and all the variables

9a-162=0

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

9a=162

a=162/9

a=18

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