Ответ:
Смотри ниже)))
Пошаговое объяснение:
№1
1)9+x = 16
x = 16-9
x = 7
2) c- 8=18
c= 18+8
c=26
3)89 - x = 89
x= 89-89
x=0
4)c+30 = 7
c= 7-30
c= -23
№2
1)80 / 16 = 5
2)45 - 12 = 33
3) 4 + 3 = 7
№3
1) 12x - 4x = 3248
8x = 3248
x = 3248 / 8
x = 406
2)17y - y = 1616
16y = 1616
y= 1616 / 16
y = 101
3) y + 19y = 4040
20y = 4040
y = 4040/20
y=202
4) 791 -(x - 298) = 683
x - 298 = 683 - 791
x-298 = -108
x = -108 + 298
x = 190
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Answers & Comments
Ответ:
Смотри ниже)))
Пошаговое объяснение:
№1
1)9+x = 16
x = 16-9
x = 7
2) c- 8=18
c= 18+8
c=26
3)89 - x = 89
x= 89-89
x=0
4)c+30 = 7
c= 7-30
c= -23
№2
1)80 / 16 = 5
2)45 - 12 = 33
3) 4 + 3 = 7
№3
1) 12x - 4x = 3248
8x = 3248
x = 3248 / 8
x = 406
2)17y - y = 1616
16y = 1616
y= 1616 / 16
y = 101
3) y + 19y = 4040
20y = 4040
y = 4040/20
y=202
4) 791 -(x - 298) = 683
x - 298 = 683 - 791
x-298 = -108
x = -108 + 298
x = 190