-7=5(u-5)-7u

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



-7=5(u-5)-7u

We move all terms to the left:

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



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

5(u-5)-7u

We add all the numbers together, and all the variables

-7u+5(u-5)

We multiply parentheses

-7u+5u-25

We add all the numbers together, and all the variables

-2u-25

Back to the equation:

-(-2u-25)



We get rid of parentheses

2u+25-7=0

We add all the numbers together, and all the variables

2u+18=0

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

2u=-18

u=-18/2

u=-9

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