Question

помогите
надо решитььь

Answer 1

1) 4х-2=14
4х=14+2
4х=16
х=4
2) 6х-12=5х+4
6х-5х=4-12
х=-8
3)2(11-4а)=3-(5а+2)
22-8а=3-5а-2
-8а+5а=-22+3-2
-3а=-21
а=7
4)3х-2=-17
3х=-17+2
3х=-15
х=-5
5)7х-13=6х+9
7х-6х=9+13
х=22
6)2(7-5а)=3-(8а+6)
14-10а=3-8а-6
-10а+8а=-14+3-6
-2а=-17
а=8.5