-3(2r-5)=2(9-4r)

Solution for -3(2r-5)=2(9-4r) equation:

-3(2r-5)=2(9-4r)

We move all terms to the left:

-3(2r-5)-(2(9-4r))=0

We add all the numbers together, and all the variables

-3(2r-5)-(2(-4r+9))=0

We multiply parentheses

-6r-(2(-4r+9))+15=0


We calculate terms in parentheses: -(2(-4r+9)), so:

2(-4r+9)

We multiply parentheses

-8r+18

Back to the equation:

-(-8r+18)


We get rid of parentheses

-6r+8r-18+15=0

We add all the numbers together, and all the variables

2r-3=0

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

2r=3

r=3/2

r=1+1/2