4=u-9/2

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Solution for 4=u-9/2 equation: 



4=u-9/2

We move all terms to the left:

4-(u-9/2)=0

We add all the numbers together, and all the variables

-(+u-9/2)+4=0

We get rid of parentheses

-u+4+9/2=0

We multiply all the terms by the denominator


-u*2+9+4*2=0

We add all the numbers together, and all the variables

-u*2+17=0

Wy multiply elements

-2u+17=0

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

-2u=-17

u=-17/-2

u=8+1/2

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