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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

7u+7u-21+7=0

We add all the numbers together, and all the variables

14u-14=0

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

14u=14

u=14/14

u=1

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