Craigner
Craigner
28-09-2016
Mathematics
contestada
9 more than 3 times a number is -6.
Respuesta :
FNH
FNH
28-09-2016
3n+9 = -6
3n +9 -9 =-6 -9
3n = -15
3n/3 =-15/3
n=-5
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