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