8r-7=-39

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Solution for 8r-7=-39 equation: 



8r-7=-39

We move all terms to the left:

8r-7-(-39)=0

We add all the numbers together, and all the variables

8r+32=0

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

8r=-32

r=-32/8

r=-4

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