7a=+9

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Solution for 7a=+9 equation: 



7a=+9

We move all terms to the left:

7a-(+9)=0

We add all the numbers together, and all the variables

7a-9=0

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

7a=9

a=9/7

a=1+2/7

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