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15 (y-4)-2 (y-9)+5 (y+6)=0
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5 votes
15 (y-4)-2 (y-9)+5 (y+6)=0

User Angi
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2 Answers

4 votes
15y-60-2y+18+5y+30=0
15y-2y+5y=60-18-30
18y=12
y=1.5
User Ryan McDonough
by
8.5k points
7 votes
15(y-4)-2(y-9)+5(y+6)=0
18y-12=0

Add 12 to both sides
18y-12+12=0+12

Refine
18y=12

Divide both sides by 18

18y=12
18 18

Refine
y=2/3
User MartinL
by
8.4k points
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