Объяснение:
1)5х-18=-3х+44
5х+3х=44+18
8х=62
х=62/8
х=7,75 или 31/4
2)1/3(9х-15)=-20
3х-5=-20
3х=-20+5
х=-15/3
х=-5
3) 4(2х+8)=-3(5х-4)
8х+32=-15х+12
23х=12-32
х=-20/23
Объяснение:
1)5х-18=-3х+44
5х+3х=44+18
8х=62
х=62/8
х=7,75 или 31/4
2)1/3(9х-15)=-20
3х-5=-20
3х=-20+5
х=-15/3
х=-5
3) 4(2х+8)=-3(5х-4)
8х+32=-15х+12
23х=12-32
х=-20/23
х=-20/23