3a-20=8a

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Solution for 3a-20=8a equation: 



3a-20=8a

We move all terms to the left:

3a-20-(8a)=0

We add all the numbers together, and all the variables

-5a-20=0

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

-5a=20

a=20/-5

a=-4

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