Question

X+20=120+20

Answer 1

x + 20 = 120 + 20

x + 20 = 140

x = 140 - 20

x = 120

Answer 2

x+20=140

   x=140-20

   x=120

k cho mik nhé,thanks

Answer 3

x+20=140

    x=140-20

    x=120

k cho mik nha bạn!

Answer 4

x+20=120+20

x+20=140

    x =140-20

    x =120.

Answer 5

dễ hơn toán lớp 2 mà

Answer 6

120 nha