3u+23=7(u+1)

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Solution for 3u+23=7(u+1) equation: 



3u+23=7(u+1)

We move all terms to the left:

3u+23-(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

3u-7u-7+23=0

We add all the numbers together, and all the variables

-4u+16=0

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

-4u=-16

u=-16/-4

u=+4

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