-5=(r/20)-5

Solution for -5=(r/20)-5 equation:

-5=(r/20)-5

We move all terms to the left:

-5-((r/20)-5)=0

We add all the numbers together, and all the variables

-((+r/20)-5)-5=0

We multiply all the terms by the denominator


-((+r-5*20)-5)=0


We calculate terms in parentheses: -((+r-5*20)-5), so:

(+r-5*20)-5

We add all the numbers together, and all the variables

(r-100)-5

We get rid of parentheses

r-100-5

We add all the numbers together, and all the variables

r-105

Back to the equation:

-(r-105)


We get rid of parentheses

-r+105=0

We add all the numbers together, and all the variables

-1r+105=0

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

-r=-105

r=-105/-1

r=+105