3(4-r)=0.5(6+2r)

Solution for 3(4-r)=0.5(6+2r) equation:

3(4-r)=0.5(6+2r)

We move all terms to the left:

3(4-r)-(0.5(6+2r))=0

We add all the numbers together, and all the variables

3(-1r+4)-(0.5(2r+6))=0

We multiply parentheses

-3r-(0.5(2r+6))+12=0


We calculate terms in parentheses: -(0.5(2r+6)), so:

0.5(2r+6)

We multiply parentheses

r+3

Back to the equation:

-(r+3)


We get rid of parentheses

-3r-r-3+12=0

We add all the numbers together, and all the variables

-4r+9=0

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

-4r=-9

r=-9/-4

r=2+1/4