7a-9=3a+19

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Solution for 7a-9=3a+19 equation: 



7a-9=3a+19

We move all terms to the left:

7a-9-(3a+19)=0

We get rid of parentheses

7a-3a-19-9=0

We add all the numbers together, and all the variables

4a-28=0

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

4a=28

a=28/4

a=7

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