Question

[Kim Ngưu and Thiên Yết]

Câu 2: Tìm x biết:

a)2/9  + x = 1                                                                 b) x :  7/11= 22

Answer 1

[Sơn Mai Thanh Hoàng]

a x = 1 - 2/9

   x = 7/9

b x = 22 x 7/11

  x = 14

Answer 2

[Nguyễn Huy Tú]

a, \(\Leftrightarrow x=1-\dfrac{2}{9}=\dfrac{7}{9}\)

b, \(\Leftrightarrow x=\dfrac{22.7}{11}=2.7=14\)