Question

Tìm x, biết :

x/2 +99/2 = 0

Answer 1

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

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

\(x:2=-\frac{99}{2}\)

\(x=-\frac{99}{2}.2\)

\(x=-99\)nha   Trần Thị Hiền                        ^_^

Answer 2

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

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

\(\frac{x}{2}=-\frac{99}{2}\)

Answer 3

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

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

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

\(x=\frac{99}{2}\times2\)

\(x=99\)

nha bạn                                   ^_^

Trần Thị Hiền

Answer 4

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

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

\(\frac{x}{2}=\frac{-99}{2}\)

\(\Rightarrow x=-99\)

Answer 5

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

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

\(\frac{x}{2}=-\frac{99}{2}\)

Answer 6

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

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

\(\Rightarrow x+99=0\)

\(\Rightarrow x=-99\)

Answer 7

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

=>\(\frac{x}{2}=0-\frac{99}{2}\)

=>\(\frac{x}{2}=-\frac{99}{2}\)

=> x=\(-99\)