68=3(6r-1)-7(1-3r)

Solution for 68=3(6r-1)-7(1-3r) equation:

68=3(6r-1)-7(1-3r)

We move all terms to the left:

68-(3(6r-1)-7(1-3r))=0

We add all the numbers together, and all the variables

-(3(6r-1)-7(-3r+1))+68=0


We calculate terms in parentheses: -(3(6r-1)-7(-3r+1)), so:

3(6r-1)-7(-3r+1)

We multiply parentheses

18r+21r-3-7

We add all the numbers together, and all the variables

39r-10

Back to the equation:

-(39r-10)


We get rid of parentheses

-39r+10+68=0

We add all the numbers together, and all the variables

-39r+78=0

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

-39r=-78

r=-78/-39

r=+2