Ответ:
1) 11х=36-х
11х+х=36
12х=36
х=3
2) 9х+4=48-2х
9х+2х=48-4
11х=44
х=4
3) 8-4х=2х-16
2х+4х=8+16
8х=24
4) 0,4х+3,8=2,6-0,8х |*10
4х+38=26-8х
4х+8х=26-38
12х=-12
х=-1
5) 6,8-1,3х=0,6х-2,7|*10
68-13х=6х-27
68+27=6х+13х
95=19х
х=5
6) 4/9х+14=1/6х+9
4/9х-1/6х=9-14
8/18х-3/18х=-5
5/18х=-5
х=-5*18/5=-18
х=-18
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
1) 11х=36-х
11х+х=36
12х=36
х=3
2) 9х+4=48-2х
9х+2х=48-4
11х=44
х=4
3) 8-4х=2х-16
2х+4х=8+16
8х=24
х=3
4) 0,4х+3,8=2,6-0,8х |*10
4х+38=26-8х
4х+8х=26-38
12х=-12
х=-1
5) 6,8-1,3х=0,6х-2,7|*10
68-13х=6х-27
68+27=6х+13х
95=19х
х=5
6) 4/9х+14=1/6х+9
4/9х-1/6х=9-14
8/18х-3/18х=-5
5/18х=-5
х=-5*18/5=-18
х=-18