x+100=200-200+100-100+300

x+100=300

x=300-100

x=200

tk mk mk tk lại

x + 100 = 200 - 200 + 100 - 100 + 300

x + 100 = 300

x          = 300 - 100

x          = 200

Vậy số tự nhiên x cần tìm là 200

x+100=200-200+100-100+300

x+100=0+0+300

x-200=0+300

x-200=300

x=300+200

x=500

x + 100 = 200 - 100 - 100

x + 100 = 0

x          = 0 - 100

x          = -100

Vậy x = - 100

x+100=200-100-100

x+100=0

x       =0-100

x       =-100

x+100=200-100-100

x+100=100-100

x+100=0

x=0-100

x=-100

x+200=500.2+100-200

x + 200 = 1000 + 100 - 200

x + 200 = 1100 - 200

x + 200 = 900

      x = 900 - 200

       x = 600

x+200=400,2

x=400,2-200

x=200,2

x+ 200 = 500.2 + 100-200

x+200 = 1000 + 100 - 200

x+200 = 1100 - 200

x+200 = 900

=> x = 700

vậy x = 700

= 100 nha

100+100-200+100=100

100+100-200+100=200-200+100

                          =0+100

                          = 100

x + 100 = 400

x          = 400 - 100

x           = 300

x + 100 = 200 + 200

x + 100 = 400

x = 400 -100

x = 300

ai k mk mk k lại ko câu này thì câu khác 

____________________________________________The And_________________________________________

x + 100 = 200 + 200

x + 100 =      400

x          =       400 - 100

x          =       300

a) x= -300 -100

x = -400

b) x= -300 +100

x= -200 

1)x+100=200-500

x+100=-300

x=-300-100

x=-400

2)x-100=200-500

x-100=-300

x=-300+100

x=-200

\(x+100=200-500\)

\(x+100=-300\)

\(x=-300-100\)

\(x=-400\)

\(x-100=200-500\)

\(x-100=-300\)

\(x=-300+100\)

\(x=-200\)

x + 100 = 50 x 2 + 100 - 100 + 200 - 800 + 1 000

x + 100 = 100 + 100 - 100 + 200 - 800 + 1 000

x + 100 = 100 + 200 - 800 + 1 000

x + 100 =    ( -500) + 1 000

x + 100 = 500

x = 500 - 100

x = 400.

x+100=50.2+100-100+200-800+1000

x+100=100+100-100+200-800+1000

x+100=200-100+200-800+1000

x+100=100+200-800+1000

x+100=300-800+1000

x+100=-500+1000

x+100=500

x=500-100

x=400

536+257=793

793 bn à .

bằng 793 bạn nhé !

x + 100 = 200 - 300

x + 100 = -100

x = ( -100 ) - 100

x = -200.

x + 100 = 200 - 300

x + 100 = -100

          x = -100 - 100

          x = -200

k cho tớ trước

tớ k lại sau

x + 100 = 200 - 300

x + 100 = -100

x = -100 - 100

x = -200