Question

Tìm x :

x + 30 = 20 x 2

Answer 1

x + 30 = 20 x 2

x + 30 = 40

x        = 40 - 30

x        = 10

Answer 2

x + 30 = 20 x 2

x + 30 = 40

x        = 40 - 30

x        = 10

Answer 3

Tìm x :

x + 30 = 20 x 2

x + 30 = 40

x        = 40 - 30

x        = 10

Vậy x = 10

Answer 4

x + 30 = 40

x = 40 +30 

x = 70

Answer 5

x+30=40

X=10

Answer 6

10

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Answer 7

x + 30 = 20 * 2

x + 30 = 40

x = 40 - 30

x = 10 

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