45=3+2(3+4u)

Solution for 45=3+2(3+4u) equation:

45=3+2(3+4u)

We move all terms to the left:

45-(3+2(3+4u))=0

We add all the numbers together, and all the variables

-(3+2(4u+3))+45=0


We calculate terms in parentheses: -(3+2(4u+3)), so:

3+2(4u+3)

determiningTheFunctionDomain
2(4u+3)+3

We multiply parentheses

8u+6+3

We add all the numbers together, and all the variables

8u+9

Back to the equation:

-(8u+9)


We get rid of parentheses

-8u-9+45=0

We add all the numbers together, and all the variables

-8u+36=0

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

-8u=-36

u=-36/-8

u=4+1/2