30=2(1+3n)+4(1-3n)

Solution for 30=2(1+3n)+4(1-3n) equation:

30=2(1+3n)+4(1-3n)

We move all terms to the left:

30-(2(1+3n)+4(1-3n))=0

We add all the numbers together, and all the variables

-(2(3n+1)+4(-3n+1))+30=0


We calculate terms in parentheses: -(2(3n+1)+4(-3n+1)), so:

2(3n+1)+4(-3n+1)

We multiply parentheses

6n-12n+2+4

We add all the numbers together, and all the variables

-6n+6

Back to the equation:

-(-6n+6)


We get rid of parentheses

6n-6+30=0

We add all the numbers together, and all the variables

6n+24=0

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

6n=-24

n=-24/6

n=-4