ashtynshaw5 ashtynshaw5
  • 16-02-2021
  • Mathematics
contestada

2x-6y=12 and -5x+15y=-30 elimination

Respuesta :

thebecks
thebecks thebecks
  • 16-02-2021

Answer:

unsolvable because the second equation is just -2.5 times the first equation.

Step-by-step explanation:

2x-6y=12    then   2x=12+6y     x=6+3y

-5x+15y=-30

substitute x

-5(6+3y)+15y=-30

-30-15y+15y=-30

y=y

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