31a+9=32a-2

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Solution for 31a+9=32a-2 equation: 



31a+9=32a-2

We move all terms to the left:

31a+9-(32a-2)=0

We get rid of parentheses

31a-32a+2+9=0

We add all the numbers together, and all the variables

-1a+11=0

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

-a=-11

a=-11/-1

a=+11

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