15(y-4)-2(y-9)+5(y+6)=0
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Step-by-step explanation:
15(y-4)-2(y-9)+5(y+6)=0
=> 15y-60-2y+18+5y+30=0
=> 15y-2y+5y+18+30-60=0
=> 18y-12=0
=> 18y=12
=> y = 12/18
=> y = 2/3
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