-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

-0.3n-(-0.2(2n-1.2))+0.63+0.9=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 add all the numbers together, and all the variables

-0.3n-(-0.4n+0.24)+1.53=0

We get rid of parentheses

-0.3n+0.4n-0.24+1.53=0

We add all the numbers together, and all the variables

0.1n+1.29=0

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

0.1n=-1.29

n=-1.29/0.1

n=-12+0.09/0.1