1) x = -12

y = -6 + 6 = 0

2) x = 0

y = 0 +6 = 6

3) x = 34

y = 17 + 6 = 23

4) y = -16

-16 = 0,5x +6

x = 44

5) y = 0

0 = 0,5x + 6

x = -12

6) y = 8

8 = 0,5x + 6

x = 4