22x + x - 10 = 59

14y -2y + 76 = 100

( 7a - 2a) * 8 = 80

23х=59+10

23х=69

х=69:23

х= 3

12у=100-76

12у= 24

у=24:12

у=2

56а-16а=80

 40а=80

а=80:40

а=2 

22х+х-10=59                          (7а-2а)*8=80

23х=59+10                               5а=80:8

23х=69                                     5а=10    

х=69/23                                    а=10:5 

х=3                                            а=2

14у-2у+76=100

12у=100-76

12у=24

у=24:12

у=2