Question

x/2 +99/2=0.Vay x=

Answer 1

\(\frac{x}{2}+\frac{99}{2}=0\)

Mà: \(-\frac{99}{2}+\frac{99}{2}=0\Rightarrow x=-99\)

Answer 2

=> \(\frac{x+99}{2}=0\)

=> x+99=0

=> x=-99