Question

[Nguyễn Tiến Long]

x + 10 = 20 + 40 

k mk mk k lại 

Answer 1

[Nicky Grimmie]

x+10=20+40

x+10=60

x=50

k nha

Answer 2

[Linh Chi Aquarius Virgo HotGirl Sa...]

X+10=20+40

X+10=60

X=60-10

X=50