x+200=500:5+23
x+200=100+23
x+200=123 bà chủ k nhé
x+200=300+200:5+23
x+200=300+40+23
x+200=340+23
x+200=363
x=363-200
x=163
x+200=300+200:5+23
=>x+200=300+40+23
=>x+200=363
=>x=363-200
=>x=163
x + 200 = 300 + 200 : 5 + 23
x + 200 = 300 + 40 + 23
x + 200 = 340 + 23
x + 200 = 363
x = 363 - 200
x = 163
x + 200 = 300 + 200 : 5 + 23
x + 200 = 300 + 40 + 23
x + 200 = 340 +23
x + 200 = 363
x = 363 - 200
x = 163
x+200=300+200:5+23
x + 200 = 300 + 40 + 23
x + 200 = 340 + 23
x + 200 = 363
x = 363 - 200
x = 163