Вопрос пользователя:
/x+2/-1=7
11-3*/2x+1/=5
Илюха отвечает:
/x+2/-1=7
/х+2/=7+1
/х+2/=8
х+2=8 х+2=-8
х₁=6 х₂=-10
11-3*/2x+1/=5
3*/2х+1/=11-5
3*/2х+1/=6
/2х+1/=6:3
2х+1=2 2х+1=-2
2х=1 2х=-3
х=1/2 х=-3/2
/x+2/-1=7
11-3*/2x+1/=5
/x+2/-1=7
/х+2/=7+1
/х+2/=8
х+2=8 х+2=-8
х₁=6 х₂=-10
11-3*/2x+1/=5
3*/2х+1/=11-5
3*/2х+1/=6
/2х+1/=6:3
2х+1=2 2х+1=-2
2х=1 2х=-3
х=1/2 х=-3/2