Question

[Minh Triều]

tìm x

X + 123 -23 =100

Answer 1

[Nguyễn Nam Cao]

x + 123 - 23 = 100

x + 123 = 123

x = 123 - 123

x = 0

Answer 2

[Nguyễn Hữu Thế]

X+123=100+23

x+123=123

x=123-123

x=0