9(1a-8)=18

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Solution for 9(1a-8)=18 equation: 



9(1a-8)=18

We move all terms to the left:

9(1a-8)-(18)=0

We add all the numbers together, and all the variables

9(a-8)-18=0

We multiply parentheses

9a-72-18=0

We add all the numbers together, and all the variables

9a-90=0

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

9a=90

a=90/9

a=10

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