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-1-u/343=-451+440
We move all terms to the left:
-1-u/343-(-451+440)=0
We add all the numbers together, and all the variables
-u/343-1-(-11)=0
We add all the numbers together, and all the variables
-u/343+10=0
We multiply all the terms by the denominator
-u+10*343=0
We add all the numbers together, and all the variables
-1u+3430=0
We move all terms containing u to the left, all other terms to the right
-u=-3430
u=-3430/-1
u=+3430
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