Question

resolver desigualdad:
7<3x-2<13 con grafica
y tambien
2x+3<3x+7

Answer 1

7 < 3x - 2 < 13

7+2 < 3x - 2 + 2 < 13 + 2

9 < 3x < 15

9/3 < 3x / 3 < 15 / 3

3 < x < 5

‹---------------------0-------3(--------)5--------›


2x + 3 < 3x + 7

2x - 3x < 7 - 3

-x < 4

x > -4

‹------- -4(--------0-----------------›