10u-9u=-1u

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Solution for 10u-9u=-1u equation:



10u-9u=-1u
We move all terms to the left:
10u-9u-(-1u)=0
We add all the numbers together, and all the variables
u-(-1u)=0
We get rid of parentheses
u+1u=0
We add all the numbers together, and all the variables
2u=0
u=0/2
u=0

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