If (6/11)^7y+8/(121/36^y-2=(1331/216^y
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(6/11)^7y+8 / (6/11)^-2y+4 = (6/11)^-3y
(6/11)^9y+4 = (6/11)^-3y
9y+4 = -3y
12y = -4
y = -1/3
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