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123921387129837982173098172098739817398217389712=x+1
We move all terms to the left:
123921387129837982173098172098739817398217389712-(x+1)=0
We add all the numbers together, and all the variables
-(x+1)+47+1.2392138713E=0
We get rid of parentheses
-x-1+47+1.2392138713E=0
We add all the numbers together, and all the variables
-1x+49.3685325479=0
We move all terms containing x to the left, all other terms to the right
-x=-49.3685325479
x=-49.3685325479/-1
x=49+0.3685325479/1
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