\(x+300=600-200\)
\(x+300=400\)
\(x=400-300\)
\(x=100\)
\(x+300=600-200\)
\(x+300=400\)
\(x=400-300\)
\(x=100\)
THỬ LẠI
\(100+300=600-200\)
\(400=400\)
x + 300 = 600 - 200
x + 300 = 400
x = 400 - 300
x = 100
x + 300 = 600 - 200
x + 300 = 600 - 200
x + 300 -= 400
x = 400 - 300
x = 100
k mik nhé mọ người
x + 300 = 600 - 200
x + 300 = 400
x = 400 - 300
x = 100
x + 300 = 600 - 200
x + 300 = 400
x = 400 - 300
x = 100
x + 300 = 600 - 200
x + 300 = 400
x = 400 - 300
x = 100