108.4=4a+20

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Solution for 108.4=4a+20 equation: 



108.4=4a+20

We move all terms to the left:

108.4-(4a+20)=0

We get rid of parentheses

-4a-20+108.4=0

We add all the numbers together, and all the variables

-4a+88.4=0

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

-4a=-88.4

a=-88.4/-4

a=22+0.40000000000001/4

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