Step-by-step explanation:
If I'm understanding what a "proof" means, some answers could be:
2 + 3 = 5
4 + 15 = 19
8 + 21 = 29
Hope this helps you! Have a good night!
Answer:
-7
-3-(-10)/-2+1
-3-5+1
-8+1
(0,-2)
(5,-7)
hope it helps u