2/6+3/6= 5/6
3/8+3/8= 3/4
1/4+1/4= 1/2
5/12+3/12= 2/3
Hope this helps
your answer would be 2x - y + 3 = 0
It’s really easy all you have to do is plug in the numbers
(In order)
-1, 1, 3, 5, 7, 9
Diameter of small pizza = diameter of large pizza divided by 2 = 9 inches
x = y divided by 2
x = 9 inches