3(u-7)-5u=-31

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Solution for 3(u-7)-5u=-31 equation: 



3(u-7)-5u=-31

We move all terms to the left:

3(u-7)-5u-(-31)=0

We add all the numbers together, and all the variables

-5u+3(u-7)+31=0

We multiply parentheses

-5u+3u-21+31=0

We add all the numbers together, and all the variables

-2u+10=0

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

-2u=-10

u=-10/-2

u=+5

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