Mandeepkaursn1
Mandeepkaursn1
18-01-2017
Mathematics
contestada
15 (y-4)-2 (y-9)+5 (y+6)=0
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MestarDigital
MestarDigital
18-01-2017
15y-60-2y+18+5y+30=0
15y-2y+5y=60-18-30
18y=12
y=1.5
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sbottorf74
sbottorf74
18-01-2017
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
Answer Link
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