Answer:
can u show the screen of the problem i dont understand ^
Step-by-step explanation:
Answer:
-20
Step-by-step explanation:
-8-12=-20
First number --- (2a-1)
middle number ---- (2a)
third number -----(2a+1)
2a-1+2a+2a+1=250
6a=250
a=250/6= 125/3
2a=2*(125/3)= 250/3 ---- is not a whole number that is contradicts to what is given, so sum cannot be 250
so