-1+u=-10+2u

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Solution for -1+u=-10+2u equation: 



-1+u=-10+2u

We move all terms to the left:

-1+u-(-10+2u)=0

We add all the numbers together, and all the variables

u-(2u-10)-1=0

We get rid of parentheses

u-2u+10-1=0

We add all the numbers together, and all the variables

-1u+9=0

We move all terms containing u to the left, all other terms to the right

-u=-9

u=-9/-1

u=+9

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