-19=1-2u

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Solution for -19=1-2u equation:



-19=1-2u
We move all terms to the left:
-19-(1-2u)=0
We add all the numbers together, and all the variables
-(-2u+1)-19=0
We get rid of parentheses
2u-1-19=0
We add all the numbers together, and all the variables
2u-20=0
We move all terms containing u to the left, all other terms to the right
2u=20
u=20/2
u=10

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