Question

x+100=900+100

Answer 1

x + 100 = 900 + 100

x + 100 = 1000

x = 1000 - 100

x = 900 

Answer 2

x+100=1000

x=1000-100

x=900

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Answer 3

x + 100 = 1000

x = 1000 - 100

x = 900

Answer 4

X+100=900+100

X+100=1000

X=990

Vậy X=990

Answer 5

x+100=1000

\(\Rightarrow\)x=1000-100=900

Answer 6

X + 100 = 1000

      X    = 1000 - 100

      X    = 900

Answer 7

x+100=900+100

x+100=1000

x        =1000-100

x        =900

Answer 8

x+100=900+100

x+100=1000

x=1000-100

x=900

Answer 9

x + 100 = 900 + 100

x + 100 = 1000

x = 1000 - 100

x = 900

Answer 10

x+100=900+100

x+100=1000

x=1000-100

x=900

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Answer 11

=900 nha

Answer 12

x + 100 = 900 + 100

x + 100 = 1000

x          = 1000 - 100 

x          = 900

Answer 13

x+100=900+100

x+100=1000

x       =1000-100

x       =900

vậy x=900