3u=9/7

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Solution for 3u=9/7 equation: 



3u=9/7

We move all terms to the left:

3u-(9/7)=0

We add all the numbers together, and all the variables

3u-(+9/7)=0

We get rid of parentheses

3u-9/7=0

We multiply all the terms by the denominator


3u*7-9=0

Wy multiply elements

21u-9=0

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

21u=9

u=9/21

u=3/7

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