3=u+4/8

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Solution for 3=u+4/8 equation: 



3=u+4/8

We move all terms to the left:

3-(u+4/8)=0

We add all the numbers together, and all the variables

-(+u+4/8)+3=0

We get rid of parentheses

-u+3-4/8=0

We multiply all the terms by the denominator


-u*8-4+3*8=0

We add all the numbers together, and all the variables

-u*8+20=0

Wy multiply elements

-8u+20=0

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

-8u=-20

u=-20/-8

u=2+1/2

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