-7u+2(u-4)=-23

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Solution for -7u+2(u-4)=-23 equation: 



-7u+2(u-4)=-23

We move all terms to the left:

-7u+2(u-4)-(-23)=0

We add all the numbers together, and all the variables

-7u+2(u-4)+23=0

We multiply parentheses

-7u+2u-8+23=0

We add all the numbers together, and all the variables

-5u+15=0

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

-5u=-15

u=-15/-5

u=+3

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