7*n=18-(2(-n))

Solution for 7*n=18-(2(-n)) equation:

7n=18-(2(-n))

We move all terms to the left:

7n-(18-(2(-n)))=0

We add all the numbers together, and all the variables

7n-(18-(2(-1n)))=0


We calculate terms in parentheses: -(18-(2(-1n))), so:

18-(2(-1n))

determiningTheFunctionDomain
-(2(-1n))+18


We calculate terms in parentheses: -(2(-1n)), so:

2(-1n)

We multiply parentheses

-2n

Back to the equation:

-(-2n)


We get rid of parentheses

2n+18

Back to the equation:

-(2n+18)


We get rid of parentheses

7n-2n-18=0

We add all the numbers together, and all the variables

5n-18=0

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

5n=18

n=18/5

n=3+3/5