Question

x + 20 = 5 x 10

Answer 1

x + 20 = 5 x 10

x + 20 = 50

x = 50 - 20

x = 30

Answer 2

x + 20 = 5 x 10

x + 20 = 50

x         = 50 - 20

x         = 30

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Answer 3

x + 20 = 5 x 10

x + 20 = 50

       x = 50 - 20

       x = 30

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mik sẽ k lại bn mà

Answer 4

x + 20 = 5 x 10

x + 20 = 50

x = 50 - 20

x = 30

Answer 5

x+20=50

x=50-20

x=30

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Answer 6

x+20=5*10

x+20=50

x=50-20

x=30

tk minh nha

Answer 7

x+20=5x10

x+20=50

    x =50-20

    x =30

Answer 8

x=30

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Answer 9

x+20=5x10

x+20=50

x=50-20

x=30

Đúng nha!(^_^)

Answer 10

x + 20 = 5 x 10

x + 20 = 50

x         = 50 - 20

x          = 30

Answer 11

x + 20 = 5 x 10

x + 20 = 50

x         = 50 - 20

x         = 30

Vậy x = 30

Answer 12

x + 20 = 5 x 10 

x + 20 = 50

x = 50 - 30 

x = 20

KL : x = 20

Answer 13

x  + 20 = 5 x 10 

x + 20= 50

x = 50 -20 

x = 30

 KL : x = 30

Answer 14

x+20=5x10

x+20=50

x=50-20

x=30