nkar

Verified answer

Salut;

2x+3 < 5 
2x +3 -3 < 5 -3
2x < 2 
x < 2/2
x < 1

4x-1 > 7
4x -1 +1 > 7 +1
4x > 8 
x > 8/4
x > 2

2x +1 ≤ 2
2x +1 -1 ≤ 2 -1 
2x ≤ 1
x ≤ 1/2

Cordialement.

winner123 Bonsoir

2 x + 3 < 5
2 x < 5 - 3
2 x < 2
x < 1 

4 x - 1 > 7
4 x > 7 + 1
4 x > 8
x > 2 

2 x + 1 < 2
2  x < 2 - 1
2 x < 1
x < 1/2