Answer:
-10
Step-by-step explanation:
-1+3= -2
-2 times -5= -10
3 times -1= -3
-3 -7=-10
The intersection is where the sets overlap. picture a Venn diagram (two overlapping circles). The intersection is only the overlap part. So for this problem that would be C. {20}
So df = 8 so then 2x-6=8 which means that x is 7
