7+(n-1)3=7+3n-3

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Solution for 7+(n-1)3=7+3n-3 equation: 



7+(n-1)3=7+3n-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

(n-1)3-(3n+4)+7=0

We multiply parentheses

3n-(3n+4)-3+7=0

We get rid of parentheses

3n-3n-4-3+7=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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