Решите уравнение
1)2х + 17 = 22 + 3х
2)18 + 3х = х + 14
3)25 - 4х - 12 - 5х
4)13х + 27 = 16х + 4,5
5)21х + 45 = 17 + 14х
6)13х + 70 = 2х + 15
1)2х + 17 = 22 + 3х
2)18 + 3х = х + 14
3)25 - 4х - 12 - 5х
4)13х + 27 = 16х + 4,5
5)21х + 45 = 17 + 14х
6)13х + 70 = 2х + 15
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Verified answer
2х + 17 = 22 + 3х2х-3х=22-17
-х=5
х=-5
18 + 3х = х + 14
3х-х=14-18
2х=-4
х=(-4):2
х=-2
25 - 4х =12 - 5х
5х-4х=12-25
х=-13
13х + 27 = 16х + 4,5
13х-16х=4,5-27
-3х=-22,5
х=(-22,5):(-3)
х=7,5
21х + 45 = 17 + 14х
21х-14х=17-45
7х=-28
х=(-28):7
х=-4
13х + 70 = 2х + 15
13х-2х=15-70
11х=-55
х=(-55):11
х=-5