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  • 11-03-2017
  • Mathematics
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How do you do these 2 problems?

How do you do these 2 problems class=

Respuesta :

Аноним Аноним
  • 11-03-2017
The first question:
3X+Y=-1
Y=-3X-1     Y=-1/2X-7/2
-3X-1=-1/2X-7/2
-2.5X=-2.5
x=1
So the answer should be option B.
The last question:
Same thing , 
-1/2X-1=-3X+4
2.5X=5
X=2
So the answer is option B.
Those are your answers.

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