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