3.5=(x/20)-1

Solution for 3.5=(x/20)-1 equation:

3.5=(x/20)-1

We move all terms to the left:

3.5-((x/20)-1)=0

We add all the numbers together, and all the variables

-((+x/20)-1)+3.5=0

We multiply all the terms by the denominator


-((+x+(3.5)*20)-1)=0


We calculate terms in parentheses: -((+x+(3.5)*20)-1), so:

(+x+(3.5)*20)-1


We calculate terms in parentheses: +(+x+(3.5)*20), so:

+x+(3.5)*20

determiningTheFunctionDomain
x+(3.5)*20

We add all the numbers together, and all the variables

x+70

Back to the equation:

+(x+70)


We get rid of parentheses

x+70-1

We add all the numbers together, and all the variables

x+69

Back to the equation:

-(x+69)


We get rid of parentheses

-x-69=0

We add all the numbers together, and all the variables

-1x-69=0

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

-x=69

x=69/-1

x=-69