.15(n+50)=0.05(n-20)+13.5

Solution for .15(n+50)=0.05(n-20)+13.5 equation:

.15(n+50)=0.05(n-20)+13.5

We move all terms to the left:

.15(n+50)-(0.05(n-20)+13.5)=0

We multiply parentheses

0.15n-(0.05(n-20)+13.5)+7.5=0


We calculate terms in parentheses: -(0.05(n-20)+13.5), so:

0.05(n-20)+13.5

We multiply parentheses

0.05n-1+13.5

We add all the numbers together, and all the variables

0.05n+12.5

Back to the equation:

-(0.05n+12.5)


We get rid of parentheses

0.15n-0.05n-12.5+7.5=0

We add all the numbers together, and all the variables

0.1n-5=0

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

0.1n=5

n=5/0.1

n=50