Question

решите неравенство 3x-1<x+5 7x+4>3x

Answer 1

3х-17х-3х>-4
-17х>-4 
х<4/17
(-бескон.;4/17)

Answer 2

3х-1<х+5
3х-1=х+5
3х-х=5+1
2х=6
х=3

7х+4>3х
7х+4=3х
7х-3х=-4
4х=-4
х=-1