Question

x + 63 + 58 = 12 x 6

Answer 1

x+63+58=12.6

x+63+58=72

x+63=72-58

x+63=14

x=63-14

x=49

Vậy x=49

Answer 2

x + 63 + 58 = 12 x 6

x + 63 + 58 = 72

x + 63 = 72 - 58

x + 63 = 14

x = 14 - 63

x = - 49

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Answer 3

x+63+58=72

x+121=72

x=121-72

x=-49

Answer 4

Chuyển vế qua lại : 

      x + 63 + 58 = 12 x 6

<=>              x  = 12.6 - 63 - 58

<=>              x  = -49

Answer 5

x+63+58=72

x+121=72

x=72-121

x=-49

Answer 6

x+63+58=12x6

x+63+58=72

x+63      =72-58

 x+63     =14

x            =14-63

x            =rỗng

Answer 7

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Answer 8

x + 63 + 58 = 12 . 6

x + 121 = 72

x = 72 - 121

x = -49