-0.3(n-5)=0.4-0.2(n-7)

Solution for -0.3(n-5)=0.4-0.2(n-7) equation:

-0.3(n-5)=0.4-0.2(n-7)

We move all terms to the left:

-0.3(n-5)-(0.4-0.2(n-7))=0

We multiply parentheses

-0.3n-(0.4-0.2(n-7))+1.5=0


We calculate terms in parentheses: -(0.4-0.2(n-7)), so:

0.4-0.2(n-7)

determiningTheFunctionDomain
-0.2(n-7)+0.4

We multiply parentheses

-0.2n+1.4+0.4

We add all the numbers together, and all the variables

-0.2n+1.8

Back to the equation:

-(-0.2n+1.8)


We get rid of parentheses

-0.3n+0.2n-1.8+1.5=0

We add all the numbers together, and all the variables

-0.1n-0.3=0

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

-0.1n=0.3

n=0.3/-0.1

n=-2+0.1/0.1