pawsusana
pawsusana
10-05-2017
Mathematics
contestada
Elimination
y= -x-1
y= -5x-17
Respuesta :
mreijepatmat
mreijepatmat
15-05-2017
y= -x-1
y= -5x-17 Multiply the 1st equation by (-1) & then add up the result to the 2nd one:
-y = -1(-x) -1(-1)
y = -5x-17
-----------------
0y = -4x-16 ===> x=-4 & y=3
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