-2(-3r+3)+3r+3=78

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Solution for -2(-3r+3)+3r+3=78 equation: 



-2(-3r+3)+3r+3=78

We move all terms to the left:

-2(-3r+3)+3r+3-(78)=0

We add all the numbers together, and all the variables

3r-2(-3r+3)-75=0

We multiply parentheses

3r+6r-6-75=0

We add all the numbers together, and all the variables

9r-81=0

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

9r=81

r=81/9

r=9

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