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

Back to the equation:

-(-0.2n-1)


We get rid of parentheses

0.3n+0.2n+1+1.5=0

We add all the numbers together, and all the variables

0.5n+2.5=0

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

0.5n=-2.5

n=-2.5/0.5

n=-5