1) -8х=-24
х=-24:(-8)
х=3
2) -3х=6/7
х=6/7:(-3)
х=-2/7
3) 7х-4=х-16
7х-х=4-16
6х=-12
х=-12:6
х=-2
4) 8-0,8х=0
-0,8х=0-8
-0,8х=-8
х=-8:(-0,8)
х=10
5) 48=11-(9х+2)
48=11-9х-2
48-11+2=-9х
39=-9х
х=39:(-9)
х=4,(3)
6) 2х-5=7(3х+4)+5
2х-5=21х+28+5
2х-21х=5+28+5
-19х=38
х=38:(-19)
7) 9-(8х-11)=-12
9-8х+11=-12
9+11+12=8х
32=8х
х=32:8
х=4
8) 4(2х-5)-х=3х+8
8х-20-х=3х+8
8х-х-3х=20+8
4х=28
х=28:4
х=7
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Verified answer
1) -8х=-24
х=-24:(-8)
х=3
2) -3х=6/7
х=6/7:(-3)
х=-2/7
3) 7х-4=х-16
7х-х=4-16
6х=-12
х=-12:6
х=-2
4) 8-0,8х=0
-0,8х=0-8
-0,8х=-8
х=-8:(-0,8)
х=10
5) 48=11-(9х+2)
48=11-9х-2
48-11+2=-9х
39=-9х
х=39:(-9)
х=4,(3)
6) 2х-5=7(3х+4)+5
2х-5=21х+28+5
2х-21х=5+28+5
-19х=38
х=38:(-19)
х=-2
7) 9-(8х-11)=-12
9-8х+11=-12
9+11+12=8х
32=8х
х=32:8
х=4
8) 4(2х-5)-х=3х+8
8х-20-х=3х+8
8х-х-3х=20+8
4х=28
х=28:4
х=7