Question

x - 20 = 50 + 50

Answer 1

x - 20 = 50 + 50

x - 20 = 100

       x = 100 + 20

       x = 120

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Answer 2

x - 20 = 50 + 50

x - 20 = 100

x       = 100 + 20

x       = 120

Answer 3

x-20=100

x=100+20

x=120

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Answer 4

x - 20 = 50 + 50

x - 20 = 100

      x  = 100 + 20

      x  = 120      

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Answer 5

x-20=50+50

x-20=100

x=100+20

x=120

Answer 6

x -20 = 100 

x=100-20

x=80

Answer 7

\(x-20=50+50\)

\(\Rightarrow x-20=100\)

\(\Rightarrow x=100+20\)

\(\Rightarrow x=120\)

Answer 8

x - 20 = 50 + 50

x - 20 = 100

x = 100 + 20

x = 120

Answer 9

x-20=50+50

x-20=100

    x=100+20

    x=120 

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Answer 10

x-20=50+50

x-20=100

   x =100+20

   x =120.

Answer 11

x-20=50+50

x-20=100

x=100+20[tìm số bị trừ

x=120

Answer 12

x = 120

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Answer 13

120 nha