3 <7-4х<15 и -12<2(х+3)<4

Question

3 <7-4х<15 и -12<2(х+3)<4

Answer 1

Решить? Ну тогда..
3-7-15<4х<br>-20=4х
х=-5
(-бесконечности; - 5)

-12-2*3-4<2х<br>-22=2х
х=-22:2
х=-11
(-бесконечности; - 11)