Question

Tìm x biết:

49:x+56:x=7

Answer 1

(49+56):x=7

105:x=7

x=15

Answer 2

x=15 nha bạn

Answer 3

49:x+56:x=7

<=>(49+56):x=7

<=>105:x=7

=>x=105:7

=>x=15

Answer 4

49 : x + 56 : x = 7

( 49 + 56 ) : x = 7

152 : x = 7

        x = 152 : 7

        x = 15