22=19+u

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Solution for 22=19+u equation:



22=19+u
We move all terms to the left:
22-(19+u)=0
We add all the numbers together, and all the variables
-(u+19)+22=0
We get rid of parentheses
-u-19+22=0
We add all the numbers together, and all the variables
-1u+3=0
We move all terms containing u to the left, all other terms to the right
-u=-3
u=-3/-1
u=+3

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