justno37
justno37
26-02-2019
Mathematics
contestada
twice the difference of a number and 7 equals 5
Respuesta :
ucosta
ucosta
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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