0.4(2-n)=0.2(n+7)

Solution for 0.4(2-n)=0.2(n+7) equation:

0.4(2-n)=0.2(n+7)

We move all terms to the left:

0.4(2-n)-(0.2(n+7))=0

We add all the numbers together, and all the variables

0.4(-1n+2)-(0.2(n+7))=0

We multiply parentheses

-0.4n-(0.2(n+7))+0.8=0


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

0.2(n+7)

We multiply parentheses

0.2n+1.4

Back to the equation:

-(0.2n+1.4)


We get rid of parentheses

-0.4n-0.2n-1.4+0.8=0

We add all the numbers together, and all the variables

-0.6n-0.6=0

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

-0.6n=0.6

n=0.6/-0.6

n=-1