x+100=200
x =200-100
x =100
x-200=600+700
x-200=1300
x =1300+200
x =1500
x+100=200
x=200-100
x=100
x-200=600+700
x-200=1300
x=1300-200
x=1100
x + 100 = 200
x = 200 - 100
x = 100
x - 200 = 600 + 700
x - 200 = 1300
x = 1300 + 200
x = 1500
k mik mik k lại
x+100=200
x=200-100
x=100
x-200=600+700
x-200=1300
x=1300+200
x=1500
x+100=200
x=200-100
x=100
x-200=600+700
x-200=1300
x=1300-200
x=1100
x=200-100
x=100
x-200=1300
x=1300+200
x=1500
x +100=200
x= 200-100
x= 100
x-200=600+700
x-200=1300
x = 1300+200
x= 1500
x=200-100
x=100
x-200=1300
x=1300+200
x=1500
