6=-3(2+3r)-7(1-4r)

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Solution for 6=-3(2+3r)-7(1-4r) equation: 



6=-3(2+3r)-7(1-4r)

We move all terms to the left:

6-(-3(2+3r)-7(1-4r))=0

We add all the numbers together, and all the variables

-(-3(3r+2)-7(-4r+1))+6=0



We calculate terms in parentheses: -(-3(3r+2)-7(-4r+1)), so:

-3(3r+2)-7(-4r+1)

We multiply parentheses

-9r+28r-6-7

We add all the numbers together, and all the variables

19r-13

Back to the equation:

-(19r-13)



We get rid of parentheses

-19r+13+6=0

We add all the numbers together, and all the variables

-19r+19=0

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

-19r=-19

r=-19/-19

r=1

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