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

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



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

We move all terms to the left:

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

We multiply parentheses

-3u-(-5u-1)-21=0

We get rid of parentheses

-3u+5u+1-21=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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