3(u+1)+1=7

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



3(u+1)+1=7

We move all terms to the left:

3(u+1)+1-(7)=0

We add all the numbers together, and all the variables

3(u+1)-6=0

We multiply parentheses

3u+3-6=0

We add all the numbers together, and all the variables

3u-3=0

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

3u=3

u=3/3

u=1

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