1) 3x - 6 = 3, 3x = 9, x = 3;
2) 7x - 28 = 7, 7x = 35, x = 5.
1)3×(х-2)=3
3х-6=3
3х=3+6
3х=9
х=9:3
х=3
2)7×(х-4)=7
7х-28=7
7х=7+28
7х=35
х=35:7
х=5
