9(a+6)=45

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Solution for 9(a+6)=45 equation: 



9(a+6)=45

We move all terms to the left:

9(a+6)-(45)=0

We multiply parentheses

9a+54-45=0

We add all the numbers together, and all the variables

9a+9=0

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

9a=-9

a=-9/9

a=-1

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