-2u=13-u

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Solution for -2u=13-u equation:



-2u=13-u
We move all terms to the left:
-2u-(13-u)=0
We add all the numbers together, and all the variables
-2u-(-1u+13)=0
We get rid of parentheses
-2u+1u-13=0
We add all the numbers together, and all the variables
-1u-13=0
We move all terms containing u to the left, all other terms to the right
-u=13
u=13/-1
u=-13

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