1) х = (4+4) / 0.8 = 8/0.8 = 10
2) 24х - 7 - 2х - 3 = 022х - 10 = 022х = 10х = 10/22 = 5/11
3) 5х - 3х - 4 - 7 = 02х - 11 = 0 х = 11/2
4) 2х - 1 - 9х+ 36 = 0-7х + 35 = 035 - 7х = 7(5 - х) = 0х = 5
1) х = (4+4) / 0.8 = 8/0.8 = 10
2) 24х - 7 - 2х - 3 = 0
22х - 10 = 0
22х = 10
х = 10/22 = 5/11
3) 5х - 3х - 4 - 7 = 0
2х - 11 = 0
х = 11/2
4) 2х - 1 - 9х+ 36 = 0
-7х + 35 = 0
35 - 7х = 7(5 - х) = 0
х = 5