-3=u-3/8

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Solution for -3=u-3/8 equation: 



-3=u-3/8

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-u-3+3/8=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-u*8-21=0

Wy multiply elements

-8u-21=0

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

-8u=21

u=21/-8

u=-2+5/8

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