Question

943.
Решите неравенство:
1) 3х – 7 < x+ 1; 3) 1- х = 2х – 5;
2) 2 + x > 8 – x; 4) 2x +1 > x + 6;
5) 4х + 2 > 3х + 1.
6) 6х+1 < 2х +9.​

Answer 1

Ответ:

1) 3x-7 < x+1

3x-x < 1+7

2x < 8

x < 4

2) 1-x = 2x-5

3x = 6

x = 2

3) 2+x > 8-x

2x > 6

x > 3

4) 2x+1 > x+6

x > 5

5) 4x+2 > 3x+1

x > -1

6) 6x+1 < 2x+9

4x < 8

x < 2