-4(r+4)+2=-7.5-(-2r+8.9)

Solution for -4(r+4)+2=-7.5-(-2r+8.9) equation:

-4(r+4)+2=-7.5-(-2r+8.9)

We move all terms to the left:

-4(r+4)+2-(-7.5-(-2r+8.9))=0

We multiply parentheses

-4r-(-7.5-(-2r+8.9))-16+2=0


We calculate terms in parentheses: -(-7.5-(-2r+8.9)), so:

-7.5-(-2r+8.9)

determiningTheFunctionDomain
-(-2r+8.9)-7.5

We get rid of parentheses

2r-8.9-7.5

We add all the numbers together, and all the variables

2r-16.4

Back to the equation:

-(2r-16.4)


We add all the numbers together, and all the variables

-4r-(2r-16.4)-14=0

We get rid of parentheses

-4r-2r+16.4-14=0

We add all the numbers together, and all the variables

-6r+2.4=0

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

-6r=-2.4

r=-2.4/-6

r=1/2.5