3a-9=a=3

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Solution for 3a-9=a=3 equation:



3a-9=a=3
We move all terms to the left:
3a-9-(a)=0
We add all the numbers together, and all the variables
2a-9=0
We move all terms containing a to the left, all other terms to the right
2a=9
a=9/2
a=4+1/2

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