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8(-2-7r)=-205
We move all terms to the left:
8(-2-7r)-(-205)=0
We add all the numbers together, and all the variables
8(-7r-2)-(-205)=0
We add all the numbers together, and all the variables
8(-7r-2)+205=0
We multiply parentheses
-56r-16+205=0
We add all the numbers together, and all the variables
-56r+189=0
We move all terms containing r to the left, all other terms to the right
-56r=-189
r=-189/-56
r=3+3/8
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