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I have another question that I need help answering

Hello again, I'm still figuring out theese sorts of problems, if someone could help me, I would greatly appreciate it. http://prntscr.com/2ryvb1 There's a screenshot of the question

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Shelly J. | Excellent Maths Tutoring for academic successExcellent Maths Tutoring for academic su...
5.0 5.0 (261 lesson ratings) (261)
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Hi Darian,
 
1/3(8y-2)+1/9(12y+10)
 
By using distributive property,we get
 
8y/3-2/3+12y/9+10/9
 
8y/3+4y/3-2/3+10/9
 
12y/3-6/9+10/9
4y+4/9
 
4(y+1/9)
Vivian L. | Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACHMicrosoft Word/Excel/Outlook, essay comp...
3.0 3.0 (1 lesson ratings) (1)
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Hi Darian;
[(1/3)(8y-2)]+[(1/9)(12y+10)]
We would like the denominator in both bracketed equations to be the same.
Let's multiply the first bracketed equation by 3/3
[(3/3)(1/3)(8y-2)]+[(1/9)(12y+10)]
[(3/9)(8y-2)]+[(1/9)(12y+10)]
[(24y/9)-(6/9)]+[(12y/9)+(10/9)]
(36y/9)+(4/9)
4y+(4/9)
or
4[y+(1/9)]