-u+5=-7+2u+9

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Solution for -u+5=-7+2u+9 equation: 



-u+5=-7+2u+9

We move all terms to the left:

-u+5-(-7+2u+9)=0

We add all the numbers together, and all the variables

-u-(2u+2)+5=0

We add all the numbers together, and all the variables

-1u-(2u+2)+5=0

We get rid of parentheses

-1u-2u-2+5=0

We add all the numbers together, and all the variables

-3u+3=0

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

-3u=-3

u=-3/-3

u=1

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