22=4(4+u)-7u

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Solution for 22=4(4+u)-7u equation: 



22=4(4+u)-7u

We move all terms to the left:

22-(4(4+u)-7u)=0

We add all the numbers together, and all the variables

-(4(u+4)-7u)+22=0



We calculate terms in parentheses: -(4(u+4)-7u), so:

4(u+4)-7u

We add all the numbers together, and all the variables

-7u+4(u+4)

We multiply parentheses

-7u+4u+16

We add all the numbers together, and all the variables

-3u+16

Back to the equation:

-(-3u+16)



We get rid of parentheses

3u-16+22=0

We add all the numbers together, and all the variables

3u+6=0

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

3u=-6

u=-6/3

u=-2

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