x+200=300-400-500
x+200=-100-500
x+200=-600
x=-600-200
x=-800
x + 200 = 300 -400 -500
x + 200 = -600
x = -600 - 200
x = -800
x + 200 = 300 - 400 - 500
x + 200 = -100 - 500
x + 200 = -600
x = -600 - 200
x = -800
x + 200 = ( - 100 ) - 500
x + 200 = ( - 600 )
x = ( - 600 ) + 200
x = ( - 400 )
Đúng 100% tích cho tui nhé
x + 200 = 300 - 400 - 500
x + 200 = (-100 ) - 500
x + 200 =( - 600)
x =( - 600) - 200
x = - 800
k mik nhe
x+200=500-400-300 nha
x+200=100-300
x+200=300-100
x+200=100=x+100=200
x=200-100=100