3a-4=1+8

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Solution for 3a-4=1+8 equation: 



3a-4=1+8

We move all terms to the left:

3a-4-(1+8)=0

We add all the numbers together, and all the variables

3a-4-9=0

We add all the numbers together, and all the variables

3a-13=0

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

3a=13

a=13/3

a=4+1/3

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