3a-8a=4

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Solution for 3a-8a=4 equation: 



3a-8a=4

We move all terms to the left:

3a-8a-(4)=0

We add all the numbers together, and all the variables

-5a-4=0

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

-5a=4

a=4/-5

a=-4/5

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