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Natavia
Natavia Natavia
  • 26-03-2014
  • Mathematics
Answered

Solving systems of linear inequalities: -2 less than or equal to y less than or equal to 6

3y less than or equal to 4x + 26

y less than or equal to -2x + 2

f(x,y) = -3x -6y

Verified Answer :

deathstrike001
deathstrike001 deathstrike001
  • 26-03-2014

3y<=4x+26
y<-2x+2

Multiply the second equation by 2 to eliminate y
3y<=4x+26
2y<=-4x+4

5y<=30
Divide both sides by 5
y<=6

Substitute the value lets say y=6
6<=-2x+2
4<=-2x
-2>=x

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