Answer:
5+10-13=12
Step-by-step explanation:
Blue=5, Red=10, Yellow=13, Question=2
26/2=13, therefore 13 minus something is 3, which is 10. Since red is 10, something add 10 equals 15, that would be 5. Blue is 5 add 10 is 15, then minus 13 is 2
