1-3(2-3х)=6
1 - 6 + 9х = 6
9х = 6 +6 -1
9х = 11
х=11/9 = 1 2/9
3/4х = 1
х= 1:3/4
х=4/3=1 1/3
-1/3х = -3
х= 3:1/3
х=9
-2/7х = 0
х=0 пример неправильный
2х = 1 1/3
х= 1 1/3:2
х=2/3
1-3(2-3х)=6
1 - 6 + 9х = 6
9х = 6 +6 -1
9х = 11
х=11/9 = 1 2/9
3/4х = 1
х= 1:3/4
х=4/3=1 1/3
-1/3х = -3
х= 3:1/3
х=9
-2/7х = 0
х=0 пример неправильный
2х = 1 1/3
х= 1 1/3:2
х=2/3