реши уравнение х+70= 100 х-10=10. 30+с=70. 40-х=30. у+8=12. у-8=15. 100-с=60. б-6=19. а+15=100. с+10=90. б-9=9. 6+а=14. с-7=13. 120-у=20. b+25=100. 16-а=4 с-3=13. 15+х=30. 60-с=50. 17-а=9. 57+b=90. а-5=54. 40+у=80. с-20=60. 24-а=12. 55+у=60. 15-х=8. у+179=179. 26-b=17. а-30=30. 9+х=16. с-8=18. 89-у=89. с+30=70. у-6=12. 140-у=50 10+a=30. 40-b=40. x+75=100. x-12=22. 63-c=0. b+7=23. 100-y=90. 97+c=98. 18+b=30. a+40=100. b-75=25. 17-a=9. c-50=50. a-8=7

х+70= 100 х = 100 = 70 х = 30.х-10=10х = 10 + 10 х = 20.30+с=70с = 70 - 30 с = 40. 40-х=30х = 40 - 30 х = 10. у+8=12у = 12 - 8 у = 4. у-8=15у = 15 + 8 у = 23. 100-с=60с = 100 - 60 с= 40. б-6=19б = 19 + 6б = 25. а+15=100а = 100 - 15а = 85.с+10=90с = 90 - 10 с = 80. б-9=9б = 9 + 9б = 18. 6+а=14а = 14 - 6а = 8. с-7=13с = 13 + 7с = 20. 120-у=20у = 120 - 20 у = 100. b+25=100б = 100 - 25б = 75. 16-а=4а = 16 - 4а = 12. с-3=13с = 13 + 3с = 16.15+х=30х = 30 - 15х = 15.60-с=50с = 60 - 50с = 10. 17-а=9а = 17 - 9 а = 8. 57+b=90b = 90 - 57 b = 33. а-5=54а = 54 + 5 а = 59. 40+у=80у = 80 - 40у = 40. с-20=60с = 60 +20с = 80. 24-а=12а = 24 - 12а = 12. 55+у=60у = 60 - 55у = 5. 15-х=8х = 15 - 8х = 7. у+179=179у = 179 - 179 у = 0. 26-b=17b = 26 - 17 b = 9. а-30=30a = 30 + 30a = 60. 9+х=16х = 16 - 9х = 7. с-8=18с = 18 + 8с = 26. 89-у=89у = 89 - 89у = 0. с+30=70с = 70 - 30с = 40. у-6=12у = 12 + 6 у = 18. 140-у=50у = 140 - 50у = 90. 10+a=30а = 30-10а = 20. 40-b=40b = 40 - 40b = 0. x+75=100x = 100-75x = 25. x-12=22x = 22+12x = 34. 63-c=0c = 63 - 0c = 63. b+7=23b = 23 - 7b = 16. 100-y=90y = 100-90y = 10. 97+c=98c = 98 - 97c = 1. 18+b=30b = 30 - 18b = 12. a+40=100a = 100-40a = 60. b-75=25b = 75 +25b = 100. 17-a=9a = 17-9a = 8.c-50=50c = 50+50c = 100. a-8=7a = 8-7a = 1