7a+9=3a-11

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Solution for 7a+9=3a-11 equation: 



7a+9=3a-11

We move all terms to the left:

7a+9-(3a-11)=0

We get rid of parentheses

7a-3a+11+9=0

We add all the numbers together, and all the variables

4a+20=0

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

4a=-20

a=-20/4

a=-5

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