1=-5u+2(u-7)

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Solution for 1=-5u+2(u-7) equation: 



1=-5u+2(u-7)

We move all terms to the left:

1-(-5u+2(u-7))=0



We calculate terms in parentheses: -(-5u+2(u-7)), so:

-5u+2(u-7)

We multiply parentheses

-5u+2u-14

We add all the numbers together, and all the variables

-3u-14

Back to the equation:

-(-3u-14)



We get rid of parentheses

3u+14+1=0

We add all the numbers together, and all the variables

3u+15=0

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

3u=-15

u=-15/3

u=-5

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