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1. y=4x-16
Y=-4+8



2.y=2x+10
y= -8x



3.y=-7x-24
y=-4x+20



4.y=4x-8
y=-7x+14



5.2x-y=11
y=x-7



6.y=x+13
2x+7y=19



7.y= -3x-1
-6x-6y=18



8. y=-2x+20
-5x+4y=-24



9. y=3x+23
6x+6y= -6



10. y=2x-2
2x+3y=18



11. 5x-6y= -11
Y=-2x-1



12. 8x+4y=12
Y= -4x-1


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