85.5k views
0 votes
Which would be a counter-example for the following statement?

IF 3x-5>10, then x > 3.
Ox=4
O x= -1
O x = 10
O X = 9

User Jhouse
by
4.5k points

1 Answer

4 votes
Answer: both 9 and 10 work

Steps:
3x-5>10

3(10)-5>10
30-5>10
25>10
True

3(9)-5>10
27-5>10
22>10
True
User Nickolay
by
4.1k points