Решите уравнения: 1) 5x+8/3+11x-1/6=-1 2) 4x-5/7-9x-25/2=0 3) 4x+9/5-4+3x/2=4

1) 5x+8/3+11x-1/6=-1

16x+16-1/6=-1

16x+15/6=-1

16x+5/2=-1

16x=-1-5/2

16x=-2+5/2

16x=-7/2

x=-7/32

x=-0.21

2) 4x-5/7-9x-25/2=0

-5x-10+175/14=0

-5x-185/14=0

-5x=185/14

x=-185/70

x=-37/14; -2.64

3) 4x+9/5-4+3x/2=4

4x+9-20/5+3x/2=4

4x-11/5+3x/2=4

10*4x-10*11/5+10*3x/2=10*4

40x-2*11+5*3x=40

40x-22+15x=40

55x-22=40

55x=40+22

55x=62

x=62/55

x=1.12