justno37 justno37

26-02-2019
Mathematics

contestada

twice the difference of a number and 7 equals 5

Respuesta :

26-02-2019

2 . (x -7) = 5

2.x - 14 = 5

2.x = 5 + 14

2.x = 19

x = 19 / 2

x = 9.5

Response: 9.5

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