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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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