Question

tìm x:

x + x - 10 = 100 + 10

Answer 1

x + x - 10 = 100 + 10

   2x - 10 = 110

          2x = 110 + 10

           2x = 120 

             x = 60

Answer 2

x + x - 10 = 100 + 10

2x - 10 = 110

       2x = 110 - 10

       2x = 100

         x = 50

Answer 3

x + x - 10 = 100 + 10

2 x x - 10 = 110

2 x x = 120

x = 60

Answer 4

k cho minh mot cai

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Answer 5

x = 60 bài toán này quá dễ