Mandeepkaursn1 Mandeepkaursn1
  • 18-01-2017
  • Mathematics
contestada

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

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MestarDigital
MestarDigital MestarDigital
  • 18-01-2017
15y-60-2y+18+5y+30=0
15y-2y+5y=60-18-30
18y=12
y=1.5
Answer Link
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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