Question

tìm x : 30/x = -2/5 

Answer 1

30/x=-2/5

<=>x=(30*5)/-2

<=>x=-75

Answer 2

ta có : 30/x = 30/-75

=> x = -75

Answer 3

nhân chéo là xong

Answer 4

30/x = -2/5

30 : x = -2/5

x = 30 : (-2/5)

x = -75

Answer 5

30/x = -2/5

30:x=-2/5

x=30:(-2/5)

a=-75

k tớ nha

Answer 6

30/x = -2/5

30 : x = -2/5

x = 30 : ( -2/5 )

x = -75