4r-2(r-2)=-7-3(3+r)

Solution for 4r-2(r-2)=-7-3(3+r) equation:

4r-2(r-2)=-7-3(3+r)

We move all terms to the left:

4r-2(r-2)-(-7-3(3+r))=0

We add all the numbers together, and all the variables

4r-2(r-2)-(-7-3(r+3))=0

We multiply parentheses

4r-2r-(-7-3(r+3))+4=0


We calculate terms in parentheses: -(-7-3(r+3)), so:

-7-3(r+3)

determiningTheFunctionDomain
-3(r+3)-7

We multiply parentheses

-3r-9-7

We add all the numbers together, and all the variables

-3r-16

Back to the equation:

-(-3r-16)


We add all the numbers together, and all the variables

2r-(-3r-16)+4=0

We get rid of parentheses

2r+3r+16+4=0

We add all the numbers together, and all the variables

5r+20=0

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

5r=-20

r=-20/5

r=-4