7u+3(u-3)=1

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Solution for 7u+3(u-3)=1 equation: 



7u+3(u-3)=1

We move all terms to the left:

7u+3(u-3)-(1)=0

We multiply parentheses

7u+3u-9-1=0

We add all the numbers together, and all the variables

10u-10=0

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

10u=10

u=10/10

u=1

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