1: (3x-2)+5=9 2: 2х-5=7(3х+4)+5
3: 28-4(3х+2)=5(2х-7)
4: 3х-4(5х+2)-6(3х-4)=1
5: 7(х-4)+3=3(2х-7)+х-8

Question

Алгебра: 1: (3x-2)+5=9 2: 2х-5=7(3х+4)+5 3: 28-4(3х+2)=5(2х-7) 4: 3х-4(5х+2)-6(3х-4)=1 5: 7(х-4)+3=3(2х-7)+х-8

186Kbkz · Answer

1) 3х-2+5=93х+3=93х=6х=22) 2х-5=21х+28+52х-21х=33+5-19х=38х=-23) 28-12х-8=10х-3520-12х=10х-35-12х-10х=-35-20-22х=-55х=5/2х=2,54) 3х-20х-8-18х+24=1-35х=1-16-35х=-15х=3/75) 7х-28+3=6х-21+х-87х-25=7х-29-25=-29нет решений...

1: (3x-2)+5=9 2: 2х-5=7(3х+4)+5 3: 28-4(3х+2)=5(2х-7) 4: 3х-4(5х+2)-6(3х-4)=1 5: 7(х-4)+3=3(2х-7)+х-8

Популярные вопросы

1: (3x-2)+5=9 2: 2х-5=7(3х+4)+5
3: 28-4(3х+2)=5(2х-7)
4: 3х-4(5х+2)-6(3х-4)=1
5: 7(х-4)+3=3(2х-7)+х-8