2a^-4=82.1

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Solution for 2a^-4=82.1 equation: 



2a^-4=82.1

We move all terms to the left:

2a^-4-(82.1)=0

We add all the numbers together, and all the variables

2a-86.1=0

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

2a=86.1

a=86.1/2

a=43+0.099999999999994/2

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