6(2r-1)=-78

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Solution for 6(2r-1)=-78 equation: 



6(2r-1)=-78

We move all terms to the left:

6(2r-1)-(-78)=0

We add all the numbers together, and all the variables

6(2r-1)+78=0

We multiply parentheses

12r-6+78=0

We add all the numbers together, and all the variables

12r+72=0

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

12r=-72

r=-72/12

r=-6

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