40=(x+60)/(x+300)

Solution for 40=(x+60)/(x+300) equation:

40=(x+60)/(x+300)

We move all terms to the left:

40-((x+60)/(x+300))=0


Domain of the equation: (x+300))!=0

x∈R


We multiply all the terms by the denominator


-((x+60)+40*(x+300))=0


We calculate terms in parentheses: -((x+60)+40*(x+300)), so:

(x+60)+40*(x+300)

We multiply parentheses

(x+60)+40x+12000

We get rid of parentheses

x+40x+60+12000

We add all the numbers together, and all the variables

41x+12060

Back to the equation:

-(41x+12060)


We get rid of parentheses

-41x-12060=0

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

-41x=12060

x=12060/-41

x=-294+6/41