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12^20=a
We move all terms to the left:
12^20-(a)=0
We add all the numbers together, and all the variables
-1a+21+3.8337599924475E=0
We add all the numbers together, and all the variables
-1a+31.421240122143=0
We move all terms containing a to the left, all other terms to the right
-a=-31.421240122143
a=-31.421240122143/-1
a=31+0.421240122143/1
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