-7u+3(u+7)=17

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Solution for -7u+3(u+7)=17 equation: 



-7u+3(u+7)=17

We move all terms to the left:

-7u+3(u+7)-(17)=0

We multiply parentheses

-7u+3u+21-17=0

We add all the numbers together, and all the variables

-4u+4=0

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

-4u=-4

u=-4/-4

u=1

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