christinabenoit38 christinabenoit38
  • 09-07-2016
  • Mathematics
contestada

In the system -12c+3d=6 and -3c +6d=-9, which expression could you use for substitution

Respuesta :

carrah13
carrah13 carrah13
  • 09-07-2016
you can not use either of them because neither of them have a variable= to the eqaution
ex.) y= 3x+25
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