-3(1+n)=25-7n

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Solution for -3(1+n)=25-7n equation: 



-3(1+n)=25-7n

We move all terms to the left:

-3(1+n)-(25-7n)=0

We add all the numbers together, and all the variables

-3(n+1)-(-7n+25)=0

We multiply parentheses

-3n-(-7n+25)-3=0

We get rid of parentheses

-3n+7n-25-3=0

We add all the numbers together, and all the variables

4n-28=0

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

4n=28

n=28/4

n=7

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