6.6(3.8-8r)=-2.2(5.2r-6.7)

Solution for 6.6(3.8-8r)=-2.2(5.2r-6.7) equation:

6.6(3.8-8r)=-2.2(5.2r-6.7)

We move all terms to the left:

6.6(3.8-8r)-(-2.2(5.2r-6.7))=0

We add all the numbers together, and all the variables

6.6(-8r+3.8)-(-2.2(5.2r-6.7))=0

We multiply parentheses

-52.8r-(-2.2(5.2r-6.7))+25.08=0


We calculate terms in parentheses: -(-2.2(5.2r-6.7)), so:

-2.2(5.2r-6.7)

We multiply parentheses

-11r+14.74

Back to the equation:

-(-11r+14.74)


We get rid of parentheses

-52.8r+11r-14.74+25.08=0

We add all the numbers together, and all the variables

-41.8r+10.34=0

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

-41.8r=-10.34

r=-10.34/-41.8

r=7.71641791045/31.1940298507