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999999999999999999999999999999999999999999-x=2x+1
We move all terms to the left:
999999999999999999999999999999999999999999-x-(2x+1)=0
We add all the numbers together, and all the variables
-1x-(2x+1)+42+1.0E=0
We get rid of parentheses
-1x-2x-1+42+1.0E=0
We add all the numbers together, and all the variables
-3x+43.7182818285=0
We move all terms containing x to the left, all other terms to the right
-3x=-43.7182818285
x=-43.7182818285/-3
x=14+1/1.74593012057
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