9u-49=3u-7

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Solution for 9u-49=3u-7 equation: 



9u-49=3u-7

We move all terms to the left:

9u-49-(3u-7)=0

We get rid of parentheses

9u-3u+7-49=0

We add all the numbers together, and all the variables

6u-42=0

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

6u=42

u=42/6

u=7

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