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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