9(a-2)+4=31

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Solution for 9(a-2)+4=31 equation: 



9(a-2)+4=31

We move all terms to the left:

9(a-2)+4-(31)=0

We add all the numbers together, and all the variables

9(a-2)-27=0

We multiply parentheses

9a-18-27=0

We add all the numbers together, and all the variables

9a-45=0

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

9a=45

a=45/9

a=5

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