3a-5=9+4

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Solution for 3a-5=9+4 equation: 



3a-5=9+4

We move all terms to the left:

3a-5-(9+4)=0

We add all the numbers together, and all the variables

3a-5-13=0

We add all the numbers together, and all the variables

3a-18=0

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

3a=18

a=18/3

a=6

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