maddie4713
maddie4713
13-01-2016
Mathematics
contestada
{3x-y=1 {-2x+y=2. Solve
Respuesta :
rayschoon31
rayschoon31
13-01-2016
y = 3x-1
-2x+(3x-1) = 2
x-1=2
x=3
y=3(3)-1
y=8
Answer Link
Willchemistry
Willchemistry
13-01-2016
{ 3 x - y = 1
-2 x + y = 2
------------------
x = 1 + 2
x = 3
For y:
3 x - y = 1
3 * 3 - y = 1
9 - y = 1
y = 9 - 1
y = 8
Hope this helps!.
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