13=4+(u/3)

Solution for 13=4+(u/3) equation:

13=4+(u/3)

We move all terms to the left:

13-(4+(u/3))=0

We add all the numbers together, and all the variables

-(4+(+u/3))+13=0

We multiply all the terms by the denominator


-(4+(+u+13*3))=0


We calculate terms in parentheses: -(4+(+u+13*3)), so:

4+(+u+13*3)

determiningTheFunctionDomain
(+u+13*3)+4

We add all the numbers together, and all the variables

(u+39)+4

We get rid of parentheses

u+39+4

We add all the numbers together, and all the variables

u+43

Back to the equation:

-(u+43)


We get rid of parentheses

-u-43=0

We add all the numbers together, and all the variables

-1u-43=0

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

-u=43

u=43/-1

u=-43