Question

if x satisfies the inequation 2x - 7 smaller than 11 , 3x +4 smaller than -5 then x lies in intervals​

Answer 1

2x - 7 < 11

3x + 4 < -5

adding both these inequalities we get -

5x -3 < 6

=> 5x < 9

=> x < 9/5

Hence, x lies in interval (-∞, 9/5)