-5u+3(u-7)=-1

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Solution for -5u+3(u-7)=-1 equation: 



-5u+3(u-7)=-1

We move all terms to the left:

-5u+3(u-7)-(-1)=0

We add all the numbers together, and all the variables

-5u+3(u-7)+1=0

We multiply parentheses

-5u+3u-21+1=0

We add all the numbers together, and all the variables

-2u-20=0

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

-2u=20

u=20/-2

u=-10

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