7r-2(8r-5)=82

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Solution for 7r-2(8r-5)=82 equation: 



7r-2(8r-5)=82

We move all terms to the left:

7r-2(8r-5)-(82)=0

We multiply parentheses

7r-16r+10-82=0

We add all the numbers together, and all the variables

-9r-72=0

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

-9r=72

r=72/-9

r=-8

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