eden1064
eden1064
17-10-2018
Mathematics
contestada
twice the sum of a number and 3 is 20
Respuesta :
josephpublico1
josephpublico1
17-10-2018
2(x + 3) = 20
2x + 6 = 20
2x = 20 - 6
2x = 14
x = 7
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