bml
bml
28-01-2018
Mathematics
contestada
The sum of a number times 3 and 7 equals 2
Respuesta :
frenchiegirl
frenchiegirl
28-01-2018
3 x + 7 = 2
3 x = 2 - 7
3 x = - 5
x = - 5/3
3 ( -5/3) + 7 = - 15/3 + 7 = - 5 + 7 = 2
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