1)8-9х = 10х +10
-9х-10х=10-8
-19х=2
х=-2/19
2) 3-9х= 8х - 7
-9х-8х=-7-3
-17х=-10
х=10/17
3)-3-8х = 4х+7
-8х-4х=7+3
-12х=10
х=10/12=5/6
4)10-7х = 7 х - 7
-7х-7х=-7-10
-14х=-17
х=17/14
5)7-8 х = 7х + 6
-8х-7х=6-7
-15х=-1
х=1/15
1)8-9х = 10х +10
-9х-10х=10-8
-19х=2
х=-2/19
2) 3-9х= 8х - 7
-9х-8х=-7-3
-17х=-10
х=10/17
3)-3-8х = 4х+7
-8х-4х=7+3
-12х=10
х=10/12=5/6
4)10-7х = 7 х - 7
-7х-7х=-7-10
-14х=-17
х=17/14
5)7-8 х = 7х + 6
-8х-7х=6-7
-15х=-1
х=1/15