7(u-1)=7u+1-2(-9u-2)

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Solution for 7(u-1)=7u+1-2(-9u-2) equation: 



7(u-1)=7u+1-2(-9u-2)

We move all terms to the left:

7(u-1)-(7u+1-2(-9u-2))=0

We multiply parentheses

7u-(7u+1-2(-9u-2))-7=0



We calculate terms in parentheses: -(7u+1-2(-9u-2)), so:

7u+1-2(-9u-2)

determiningTheFunctionDomain
7u-2(-9u-2)+1

We multiply parentheses

7u+18u+4+1

We add all the numbers together, and all the variables

25u+5

Back to the equation:

-(25u+5)



We get rid of parentheses

7u-25u-5-7=0

We add all the numbers together, and all the variables

-18u-12=0

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

-18u=12

u=12/-18

u=-2/3

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