-0.3(n-2.1)0.9=-0.2(2n-1.2)

Solution for -0.3(n-2.1)0.9=-0.2(2n-1.2) equation:

-0.3(n-2.1)0.9=-0.2(2n-1.2)

We move all terms to the left:

-0.3(n-2.1)0.9-(-0.2(2n-1.2))=0

We multiply parentheses

-0.27n-(-0.2(2n-1.2))+0.567=0


We calculate terms in parentheses: -(-0.2(2n-1.2)), so:

-0.2(2n-1.2)

We multiply parentheses

-0.4n+0.24

Back to the equation:

-(-0.4n+0.24)


We get rid of parentheses

-0.27n+0.4n-0.24+0.567=0

We add all the numbers together, and all the variables

0.13n+0.327=0

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

0.13n=-0.327

n=-0.327/0.13

n=-2+0.067/0.13