3=u-3/4

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Solution for 3=u-3/4 equation: 



3=u-3/4

We move all terms to the left:

3-(u-3/4)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-u+3+3/4=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-u*4+15=0

Wy multiply elements

-4u+15=0

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

-4u=-15

u=-15/-4

u=3+3/4

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