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

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



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

We move all terms to the left:

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



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

7(u-7)-2u

We add all the numbers together, and all the variables

-2u+7(u-7)

We multiply parentheses

-2u+7u-49

We add all the numbers together, and all the variables

5u-49

Back to the equation:

-(5u-49)



We get rid of parentheses

-5u+49-4=0

We add all the numbers together, and all the variables

-5u+45=0

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

-5u=-45

u=-45/-5

u=+9

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