2x-5<7 অসমতাটির সমাধান কত?
A
-3
B
-2
C
1< x< 5
D
-1 < x
Correct Answer: -1 < x
2x-5<7 -7<2x-5<7 -7+5<2x-5+5<7+5 [add 5 to both sides] -2<2x<12 -1<x<6 [Divide 2 with both sides]