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

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

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

We move all terms to the left:

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

We add all the numbers together, and all the variables

0.3(n-7)-(0.4-0.2(-1n-7))=0

We multiply parentheses

0.3n-(0.4-0.2(-1n-7))-2.1=0


We calculate terms in parentheses: -(0.4-0.2(-1n-7)), so:

0.4-0.2(-1n-7)

determiningTheFunctionDomain
-0.2(-1n-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-1.8-2.1=0

We add all the numbers together, and all the variables

0.1n-3.9=0

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

0.1n=3.9

n=3.9/0.1

n=39+-4.4408920985E-16/0.1