6(2r-5)+2=80

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Solution for 6(2r-5)+2=80 equation: 



6(2r-5)+2=80

We move all terms to the left:

6(2r-5)+2-(80)=0

We add all the numbers together, and all the variables

6(2r-5)-78=0

We multiply parentheses

12r-30-78=0

We add all the numbers together, and all the variables

12r-108=0

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

12r=108

r=108/12

r=9

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