Ответ:1) |2x+14|=6
1).2х+14=6
2х=6-14
2х=-8
х=-4
2)
9х-18=27
9х-18=-27
9х=27+18
9х=-27+18
9х=45
9х=-9
х=5
х=-1
3)
8х+12=-20
8х=-20-12=-32
х=-32:8=-4
4) 15х-10=5
15*х-10=5
15*х=10=5
15*х=15
х=15:15
х=1
5)|9X+15|=6
1)9X+15=6
2)9X+15=-6
9х=-21
х=-2 1/3
6)
|8х-6|=14
8х-6=14
8х-6=-14
8х=14+6
8х=20
8х=-14+6
8х=-8
х1=20:8
х1=2,5
х2=-8:8
х2=-1
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Ответ:1) |2x+14|=6
1).2х+14=6
2х=6-14
2х=-8
х=-4
2)
9х-18=27
9х-18=-27
9х=27+18
9х=-27+18
9х=45
9х=-9
х=5
х=-1
3)
8х+12=-20
8х=-20-12=-32
х=-32:8=-4
4) 15х-10=5
15*х-10=5
15*х=10=5
15*х=15
х=15:15
х=1
5)|9X+15|=6
1)9X+15=6
9х=-9
х=-1
2)9X+15=-6
9х=-21
х=-2 1/3
6)
|8х-6|=14
8х-6=14
8х-6=-14
8х=14+6
8х=20
8х=-14+6
8х=-8
х1=20:8
х1=2,5
х2=-8:8
х2=-1