4a+5a-8a=9

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Solution for 4a+5a-8a=9 equation: 



4a+5a-8a=9

We move all terms to the left:

4a+5a-8a-(9)=0

We add all the numbers together, and all the variables

a-9=0

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

a=9

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