42=u-5

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Solution for 42=u-5 equation: 



42=u-5

We move all terms to the left:

42-(u-5)=0

We get rid of parentheses

-u+5+42=0

We add all the numbers together, and all the variables

-1u+47=0

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

-u=-47

u=-47/-1

u=+47

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