Question

×+(×+2)<39
2×+4+×+4>49

Answer 1

1)х+(х+2)<39
х+х+2<39
2х+2<39
2х<39-2
2х<37
х<18,5
Ответ:х<18,5

2)2х+4+х+4<49
3х+8<49
3х<49-8
3х<41
х<13целых 2/3
Ответ:

$x < 13 frac{2}{3}$