8a+9=3a-9

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Solution for 8a+9=3a-9 equation: 



8a+9=3a-9

We move all terms to the left:

8a+9-(3a-9)=0

We get rid of parentheses

8a-3a+9+9=0

We add all the numbers together, and all the variables

5a+18=0

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

5a=-18

a=-18/5

a=-3+3/5

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