8a+2=9a-1

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Solution for 8a+2=9a-1 equation: 



8a+2=9a-1

We move all terms to the left:

8a+2-(9a-1)=0

We get rid of parentheses

8a-9a+1+2=0

We add all the numbers together, and all the variables

-1a+3=0

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

-a=-3

a=-3/-1

a=+3

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