Ответ:
1)-8x-5=-2x 5) х+х/2=-6 9)х+х/4=-5
-8x-5+2x=0 2х+х=-12 4х+х=-20
-6x-5=0 3х=-12 5х=-20
x=-5/6 х=-4 х=-4
2)-х-7=-10х 6)х+х/5=-6
-х-7+10х=0 5х+х=-30
-7+9х=0 6х=-30
х=7/9 х=-5
3)-6х-1=-9х 7)х+х/6=-7
-6х-1+9х=0 6х+х=-42
-1+3х=0 7х=-42
х=1/3 х=-6
4)-х+7=-7х 8)х+х/3=4
-х+7+7х=0 3х+х=12
7+6х=0 4х=12
х=-7/6 х=3
Объяснение:
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Ответ:
1)-8x-5=-2x 5) х+х/2=-6 9)х+х/4=-5
-8x-5+2x=0 2х+х=-12 4х+х=-20
-6x-5=0 3х=-12 5х=-20
x=-5/6 х=-4 х=-4
2)-х-7=-10х 6)х+х/5=-6
-х-7+10х=0 5х+х=-30
-7+9х=0 6х=-30
х=7/9 х=-5
3)-6х-1=-9х 7)х+х/6=-7
-6х-1+9х=0 6х+х=-42
-1+3х=0 7х=-42
х=1/3 х=-6
4)-х+7=-7х 8)х+х/3=4
-х+7+7х=0 3х+х=12
7+6х=0 4х=12
х=-7/6 х=3
Объяснение: