Question

x + 30 = 50 + 20 

Answer 1

X+30=50+20

X+30=70

X=70-30

X=40

Answer 2

x + 30 = 50 + 20

x + 30 = 70

x = 70 - 30

x = 40 

Answer 3

x + 30 = 50 + 20

x + 30 = 70

x = 70 - 30

x = 40 

Answer 4

ko chơi với bạn nữa

Answer 5

x + 30 = 50 + 20

x + 30 = 70

        x = 70 - 30

        x = 40

tk mk nha bn

Answer 6

 X + 30 = 50+20

x+30=70

x=70-30

x=40

Answer 7

x + 30 = 50 + 20

x + 30 = 70

x        = 70 - 30 

x        = 40