9(5+a)=72

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Solution for 9(5+a)=72 equation: 



9(5+a)=72

We move all terms to the left:

9(5+a)-(72)=0

We add all the numbers together, and all the variables

9(a+5)-72=0

We multiply parentheses

9a+45-72=0

We add all the numbers together, and all the variables

9a-27=0

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

9a=27

a=27/9

a=3

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