-2u+5=7

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Solution for -2u+5=7 equation: 



-2u+5=7

We move all terms to the left:

-2u+5-(7)=0

We add all the numbers together, and all the variables

-2u-2=0

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

-2u=2

u=2/-2

u=-1

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