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(2*(y-6))/5 = -4*y // + -4*y
(2*(y-6))/5-(-4*y) = 0
(2*(y-6))/5+4*y = 0
(2*(y-6))/5+(4*5*y)/5 = 0
2*(y-6)+4*5*y = 0
22*y-12 = 0
(22*y-12)/5 = 0
(22*y-12)/5 = 0 // * 5
22*y-12 = 0
22*y-12 = 0 // + 12
22*y = 12 // : 22
y = 12/22
y = 6/11
y = 6/11
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