x + 400 = 500 x 3
x + 400 = 1500
x = 1500 - 400
x = 1100
x+400=1500
x=1500-400
x=1100
tk minh nha
roi tk lai cho
\(x+400=500\times3\)
\(x+400=1500\)
\(x=1500-400\)
\(x=1100\)
k mk nha
thank you
x+400=500x3
x+400=1500
x=1500-400
x=1100
x + 400 =500 x 3
x + 400 = 1500
x = 1500 - 400
x = 1100.