-5r-6r=77

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Solution for -5r-6r=77 equation: 



-5r-6r=77

We move all terms to the left:

-5r-6r-(77)=0

We add all the numbers together, and all the variables

-11r-77=0

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

-11r=77

r=77/-11

r=-7

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