Question

d) 2x + 5x - 10 < 3x - 6
e) -2.(4x + 5) < -2x + 14
f) 2x +1 < 5x - 8​

Answer 1

Respuesta:

2x + 5x - 10 < 3x - 6

2x + 5x - 3x < - 6+10

4x < 4

x < 4/4

x < 1

-2.(4x + 5) < -2x + 14

-8x - 10 < - 2x + 14

-8x + 2x < 14 +10

-6x < 24

x < 24/-6

x > - 4

2x +1 < 5x - 8

2x - 5x < - 8 - 1

-3x < - 9

x < - 9/-3

x > 3