Question

Tìm x :

1800 + x = 1000 + 900

Answer 1

1800+x=1000+900

1800+x=1900

x=1900-1800

x=100

Answer 2

1800 + x = 1000 + 900

1800 + x = 1900

           x = 1900 - 1800

           x = 100

Vậy x = 100

Answer 3

\(1800+x=1000+900\)

\(1800+x=1900\)

                \(x=1900-1800\)

                \(x=100\)

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Answer 4

x = 100 nha

Answer 5

=100

K NHA BAN

Answer 6

1800+x=1000+900

 1800+x=1900

          x=1900-1800

           x=100

Answer 7

x=100

Answer 8

1800+x=1000+900

1800+x=1900

x=1900+(-1800)

x=100 hoặc

1800+x=1000+900

(-1800)-x=1900

x=1900+(-1800)

x=100