4u+28=7(u+1)

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Solution for 4u+28=7(u+1) equation: 



4u+28=7(u+1)

We move all terms to the left:

4u+28-(7(u+1))=0



We calculate terms in parentheses: -(7(u+1)), so:

7(u+1)

We multiply parentheses

7u+7

Back to the equation:

-(7u+7)



We get rid of parentheses

4u-7u-7+28=0

We add all the numbers together, and all the variables

-3u+21=0

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

-3u=-21

u=-21/-3

u=+7

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