Question

x - 15 - 19 =31

Answer 1

x - 15 - 19 = 31

x - 34 = 31

x = 65

Answer 2

x-15-19=31

x-15 =31+19

x-15 =50

x=50+15

x=65

Vậy x=65

Answer 3

\(x-15-19=31\)

\(x-15=31+19\)

\(x-15=50\)

\(x=50+15\)

\(x=65\)

Answer 4

x - 15 -19 = 31

x - 15 = 31+19

x - 15 = 50

x = 50 + 15

x = 65

Answer 5

bai nay de nhu the nay ma cug hoi