Izzkimisc1obe3ace Izzkimisc1obe3ace
  • 21-02-2017
  • Mathematics
contestada

If 21 more than 3 times a number is -15, what is the number?
-12
2
12
-2

Respuesta :

timijebs
timijebs timijebs
  • 23-02-2017
21+3x=-15
3x=-15-21
3x=-36
x=-36/3
x=-12
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