x + 100 = 100 + 100 x 2 + 400
x + 100 = 100 + 200 + 400
x + 100 = 700
x = 700 - 100
x = 600
Vậy x = 600
x+100=100+100x2 +400
x+100=100+200+400
x+100= 300+400
x+100=700
x =700-100
x =600
Vay x = 600
x + 100 = 100 + 100 x 2 + 400
x + 100 = 100 + 200 + 400
x + 100 = 700
x = 700 - 100
x = 600
Vậy x = 600
x+ 100 = 100 + 100 x 2 + 400
=> x+ 100 = 300 + 400
=> x+ 100 = 700
=. x= 600
x + 100 = 700
x = 700 - 100
x = 600
x+100=100+100 x 2 +400 x+100=100+200+400 x+100=700 x=700-100=600
\(x+100=100+100x2+400\)
\(x+100=100+200+400\)
\(x+100=300+400\)
\(x+100=700\)
\(x=700-100\)
\(x=600\)
X+100=100+200+400
X+100=700
X=700-100
X=600
x + 100 = 100 +200 +400
x+100 = 300 +400
x + 100 = 700
x = 700 - 100
x = 600
x + 100 = 200 + 400
x + 100 = 600
x = 600 + 100
x = 700
theo thứ tự đó nha
tkmk