Решите уравнение:
1) 2х+17=22+3х
2) 18+3х=х+14
3) 25-4х=12-5х
4) 13х+27=16х4,5
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=16х4,5
5) 21х+45=17+14х
6) 13х+70=2х+15
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Что то многовато2х+17=22+3х
2х-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
-4х+5х=12-25
х=-13
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
13х+27=16х+4,5
13х-16х=4,5-27
-3х=-22,5
х=-22,5/-3
х=7,5