Question

4. Реши уравнения.
3.x + 50 = 77
100 - 24:c = 92
3-3=92 - 68​

Answer 1

Пошаговое объяснение:

1)

3×x+50=77

3×x=77-50

3×x=27

×=27÷3

×=9

_____________

3×9+50=77

77=77

2)

100-24÷c=92

24÷c=100+92

24÷c=192

c=192÷24

c=8

___________

100-24÷8=92

92=92

3)

3×x=92-68

3×x=24

x=24÷3

x=8

________

3×8=92-68

24=24