Question

2 x X - 138 = 8 x 9

 

Answer 1

2 x X - 138 = 8 x 9

2 x X - 138 = 72

2 x X = 72 + 138

2 x X = 210

X = 210 : 2 

X = 105

Ủng hộ mk nha ^_-

Answer 2

2.x-138=72

    2x=72+138

   2x=  210

    x=210/2

    x=105 

h cho mk nha

Answer 3

2X - 138 = 8 x 9

2X - 138 = 72

      2X   = 210

        X   = 105