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(x-8)×(y+5)=12 dau coroana​

Răspuns :

12= 12*1

1 *12

2*6

6*2

-2*-6

-6*-2

-12 *-1

-1*-12

3*4

4*3

-3*-4

-4*-3

x-8=12

x=20

y+5=1

y= -4

x-8=1

x=9

y+5= 12

y=7

x-8= 2

x=10

y+5= 6

y= 1

x-8=6

x=14

y+5=2

y=-3

x-8=-2

x= 6

y+5=-6

y= -11

x-8= -6

x=2

y+5= -2

y=-7

x-8=-12

x= -4

y+5= -1

y= -6

x-8= -1

x= 7

y+5= -12

y= -17

x-8=3

x= 11

y+5= 4

y= -1

x-8= 4

x=12

y+5= 3

y=-2

x-8=-3

x=5

y+5=-4

y= -9

x-8= -4

x=4

y+5= -3

y= -8