3u=7+2u

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Solution for 3u=7+2u equation: 



3u=7+2u

We move all terms to the left:

3u-(7+2u)=0

We add all the numbers together, and all the variables

3u-(2u+7)=0

We get rid of parentheses

3u-2u-7=0

We add all the numbers together, and all the variables

u-7=0

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

u=7

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