1) 9x+6=10x

2) - 2=-9-2 (-2x+1)

3) - 5x-5+5 (x-2) = - (-5-x) - 4

1) 9x+6=10x

-x+6=0

x = - (-6)

x=6

2) - 2=-9-2 (-2x+1)

7+2 * (-2x+1) = 0

7 + (-4x+2) = 0

7-4x+2=0

9-4x=0

x = - (-9) / 4

x=9/4

x=2.25

3) - 5x-5+5 (x-2) = - (-5-x) - 4

-5x-5+5x-10 + (-5-x) + 4=0

-5-10 + (-5-x) + 4=0

-15 + (-5-x) + 4=0

-15-5-x+4=0

-20-x+4=0

-16-x=0

x=-16

1) 9x+6=10x

9 х-10 х=-6

-х=-6

х=6

2) - 2=-9-2 (-2x+1)

-2=-9+4 х-2

-2=-11+4 х

-4 х=-11+2

-4 х=-9

х=2,25

3) - 5x-5+5 (x-2) = - (-5-x) - 4

-5 х-5+5 х-10=5+х-4

-15=х+1

х=-16