Question

[Đoraemon]

x-12=24

x-24=48

Answer 1

[nguyen thi anh]

x-12=24

x=24+12

x=36

x-24=48

x=48+24=78

Answer 2

[Đoraemon]

x-12=24

x     =24+12

x     =36

x-24=48

x     =48+24

x     =72