1) х+1/8x=3/4 2) 2y-2/5y=6 2/5 3) 3/5x-1/3x=6 1/4 4) (2x-1/8x) : 1/2=1/3

1) х+1/8x=3/4

8/8 х+1/8 х=3/4

9/8 х=3/4

х=3/4*8/9

х=2/3

2) 2y-2/5y=6 2/5

1 5/5 у-2/5 у=6 2/5

1 3/5 у=6 2/5

у=32/5*5/8

у=1/4

3) 3/5x-1/3x=6 1/4

9/15 х-5/15 х=6 1/4

4/15 х=6 1/4

х=25/4*15/4

х=375/16

х=23 7/16

4) (2x-1/8x) : 1/2=1/3

2 8/8 х-1/8 х=1/3*1/2

2 7/8 х=1/6

х=1/6*8/23

х=4/69