Question

(-16)+23+x=(-16)

Answer 1

-16+23+x=-16

         7+x=-16

             x=-16-7

             x=-23

Vậy x=-23

Answer 2

-16+23+x=-16

<=>x=-16+16-23

<=>x=-23

Vẫy=-23

Answer 3

(-16)+23+x=(-16)

23+x=(-16)+16

23+x=0

x=0-23

x=(-23)

Answer 4

(-16)+23+x=(-16)

=>23+x=(-16)-(-16)

=>23+x=0

=>x=-23

Answer 5

(-16) + 23 + x = (-16)

\(\Leftrightarrow\)23 + x = 0

\(\Leftrightarrow\)x = (-23)