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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